{"id":8024,"date":"2018-09-30T22:10:04","date_gmt":"2018-09-30T14:10:04","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=8024"},"modified":"2018-09-30T22:13:04","modified_gmt":"2018-09-30T14:13:04","slug":"drag-drop-datatransfer-js","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2018\/09\/drag-drop-datatransfer-js\/","title":{"rendered":"\u62d6\u62fd\u732e\u796d\u4e2d\u7684\u9ed1\u5c71\u7f8a-DataTransfer\u5bf9\u8c61"},"content":{"rendered":"

by zhangxinxu<\/a> from https:\/\/www.zhangxinxu.com\/wordpress\/?p=8024<\/a>
\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4f46\u9700\u5f97\u5230\u539f\u4f5c\u8005\u4e66\u9762\u8bb8\u53ef\uff0c\u540c\u65f6\u4fdd\u7559\u539f\u4f5c\u8005\u548c\u51fa\u5904\uff0c\u6458\u8981\u5f15\u6d41\u5219\u968f\u610f\u3002<\/p>\n

\u4e00\u3001\u8d85\u4f4d\u9b54\u6cd5-\u4efb\u610f\u62d6\u62fd<\/h3>\n

\"\u89e3\u6784datatransfer\u5bf9\u8c61\"<\/p>\n

\u4f1f\u5927\u7684\u5b89\u5179\u00b7\u4e4c\u5c14\u00b7\u606d\uff0c\u7eb3\u8428\u91cc\u514b\u5730\u4e0b\u5927\u575f\u5893\u7684\u4e3b\u4eba\uff0c\u56db\u5341\u4e00\u4f4d\u65e0\u4e0a\u81f3\u5c0a\u7684\u7edf\u5408\u8005\uff0c\u4e0d\u6b7b\u8005\u4e4b\u738b\uff0c\u9b54\u5bfc\u56fd\u9b54\u5bfc\u738b\uff0c\u5f02\u4e16\u754coverlord\uff0c\u5728\u8fd9\u82b1\u597d\u6708\u5706\u4e4b\u591c\uff0c\u91ca\u653e\u4e86\u4e00\u4e2a\u8d85\u4f4d\u9b54\u6cd5\u2014\u2014\u4efb\u610f\u62d6\u62fd\uff01<\/p>\n

\u51e1\u662f\u4e0d\u80fd\u624b\u5199\u9875\u9762\u5143\u7d20\u62d6\u62fd\u6548\u679c\u8005\uff0c\u5373\u6b7b\uff0c10\u65e5\u540e\u624d\u80fd\u590d\u6d3b\uff01\u987f\u65f6\uff0c\u65e0\u6570\u524d\u7aef\u5f00\u53d1\u8fd8\u6ca1\u610f\u8bc6\u5230\u53d1\u751f\u4e86\u4ec0\u4e48\uff0c\u773c\u524d\u4e00\u9ed1\uff0c\u5168\u90e8\u90fd\u5012\u4e0b\u4e86\u3002<\/p>\n

\u201c\u54c8\u54c8\uff0c\u5b9e\u5728\u662f\u7cbe\u5f69\uff0c\u8db3\u8db3\u79d2\u4e867\u4e07\u96f61\u4eba\uff0c\u7834\u4e86\u6211\u6628\u5929\u7684\u8bb0\u5f55\uff01\u201d\u606d\u5927\u4eba\u5174\u594b\u5730\u5927\u58f0\u75be\u547c\u3002<\/p>\n

\u7136\u540e\uff0c\u5f88\u5feb\uff0c\u5929\u7a7a\u51fa\u73b0\u5de8\u5927\u7684\u9ed1\u7403\uff0c\u7136\u540e5\u53ea\u5de8\u5927\u7684\u9ed1\u5c71\u7f8a\u5e7c\u5d3d\u51fa\u73b0\u4e86\u3002<\/p>\n

\"\u796d\u7940\u7684\u9ed1\u5c71\u7f8a\u5e7c\u5d3d\"<\/p>\n

\u5927\u5982\u5c0f\u5c71\uff0c\u9664\u4e86\u602a\u7269\u5df2\u7ecf\u65e0\u6cd5\u7528\u5176\u4ed6\u8bcd\u5f62\u5bb9\u4e86\u3002<\/p>\n

\u5269\u4e0b\u7684\u5f00\u53d1\u4eba\u5458\u624b\u8db3\u65e0\u63aa\uff0c\u60ca\u6050\u4e07\u5206\uff0c\u987f\u65f6\u4ed3\u7687\u800c\u9003\uff0c\u4f46\u90fd\u96be\u9003\u4e00\u6b7b\u3002\u4e0d\u6b7b\u8005\u4e4b\u738b\uff0c\u679c\u7136\u662f\u81f3\u9ad8\u65e0\u4e0a\u7684\u5b58\u5728\uff01<\/p>\n

\u4e8c\u3001\u89e3\u6784\u9b54\u6cd5-DataTransfer\u5bf9\u8c61<\/h3>\n

\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4e00\u4e2a\u5c0f\u767d\u524d\u7aef\uff0c\u56e0\u4e3a\u6628\u5929\u966a\u5973\u670b\u53cb\u53bb\u73b0\u5145\u4e16\u754c\u8d4f\u6708\uff0c\u6ca1\u6709\u53c2\u52a0\u8fd9\u573a\u6218\u5f79\uff0c\u6240\u4ee5\u5e78\u514d\u4e8e\u96be\u3002\u4f46\u73b0\u5728\u8fd8\u662f\u5fc3\u6709\u4f59\u60b8\uff0c\u56e0\u4e3a\u81ea\u5df1\u4e5f\u4e0d\u4f1a\u624b\u5199\u62d6\u62fd\u529f\u80fd\uff0c\u5982\u679c\u81ea\u5df1\u5728\u573a\uff0c\u6015\u662f\u5973\u670b\u53cb\u5c31\u662f\u522b\u4eba\u7684\u4e86\u3002<\/p>\n

\u867d\u5e86\u5e78\uff0c\u4ecd\u4e0d\u5b89\u3002\u8981\u662f\u4e0b\u6b21\u4f1f\u5927\u7684\u5b89\u5179\u00b7\u4e4c\u5c14\u00b7\u606d\uff0c\u4e0d\u6b7b\u8005\u4e4b\u738b\u518d\u91ca\u653e\u8fd9\u4e2a\u201c\u4efb\u610f\u62d6\u62fd\u201d\u8d85\u4f4d\u9b54\u6cd5\uff0c\u90a3\u6211\u5c82\u4e0d\u662f\u6b7b\u7fd8\u7fd8\u4e86\uff1f\u4e0d\u884c\uff0c\u4e3a\u4e86\u6d3b\u547d\uff0c\u6211\u5fc5\u987b\u5bf9\u8fd9\u4e2a\u8d85\u4f4d\u9b54\u6cd5\u8fdb\u884c\u89e3\u6784\uff0c\u4e86\u89e3\u4e4b\u5b66\u4e60\u4e4b\u7834\u89e3\u4e4b\u3002<\/p>\n

\u7687\u5929\u4e0d\u8d1f\u6709\u5fc3\u4eba\uff0c\u7ecf\u8fc7\u4e03\u4e03\u56db\u5341\u4e5d\u5929\u5e9f\u5bdd\u5fd8\u98df\u7684\u7814\u7a76\uff0c\u7ec8\u4e8e\u89e3\u6784\u51fa\u4e86\u8fd9\u4e2a\u8d85\u4f4d\u9b54\u6cd5\u7684\u5173\u952e\u6240\u5728\u2014\u2014DataTransfer\u5bf9\u8c61\uff0c\u53ea\u8981\u5f04\u52a8DataTransfer\u5bf9\u8c61\uff0c\u4ec0\u4e48\u732e\u796d\u4e2d\u7684\u9ed1\u5c71\u7f8a\u7684\u5e7c\u5d3d\u90fd\u53ea\u662f\u53ef\u7231\u7684\u5c0f\u7f8a\u800c\u5df2\uff0c\u4e0d\u8db3\u4e3a\u60e7\u3002<\/p>\n

\u4e3a\u4e86\u8ba9\u524d\u53f0\u524d\u7aef\u540c\u50da\u4e5f\u53ef\u4ee5\u5e78\u514d\u4e8e\u96be\uff0c\u4e8e\u662f\uff0c\u6211\u5192\u7740\u88ab\u66b4\u9732\u7684\u98ce\u9669\u5411\u5927\u5bb6\u4f20\u6388DataTransfer\u5bf9\u8c61\u76f8\u5173\u77e5\u8bc6\u3002<\/p>\n

DataTransfer\u5bf9\u8c61\u7684\u51fa\u73b0<\/h4>\n

DataTransfer<\/code>\u5bf9\u8c61\u51fa\u73b0\u5728\u62d6\u62fd\u4e8b\u4ef6\u4e2d\uff0c\u5177\u4f53\u5305\u62ec\u5f00\u59cb\u62d6\u62fddragstart<\/code>\u4e8b\u4ef6\uff0c\u62d6\u62fd\u8fdb\u5165dragenter<\/code>\u4e8b\u4ef6\uff0c\u62d6\u62fd\u79bb\u5f00dragleave<\/code>\u4e8b\u4ef6\uff0c\u62d6\u62fd\u7ecf\u8fc7dragover<\/code>\u4e8b\u4ef6\uff0c\u62d6\u62fd\u91ca\u653edrop<\/code>\u4e8b\u4ef6\u4ee5\u53ca\u62d6\u62fd\u7ed3\u675fdragend<\/code>\u4e8b\u4ef6\u3002<\/p>\n

\u793a\u610f\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

document.addEventListener('dragstart', function (event) {\n    console.log('dragstart: ' + event.dataTransfer);    \n});\ndocument.addEventListener('dragenter', function (event) {\n    console.log('dragenter: ' + event.dataTransfer);    \n});\ndocument.addEventListener('dragleave', function (event) {\n    console.log('dragleave: ' + event.dataTransfer);    \n});\ndocument.addEventListener('dragover', function (event) {\n    event.preventDefault();\n    console.log('dragover: ' + event.dataTransfer);    \n});\ndocument.addEventListener('drop', function (event) {\n    console.log('drop: ' + event.dataTransfer);    \n});\ndocument.addEventListener('dragend', function (event) {\n    console.log('dragend: ' + event.dataTransfer);    \n});<\/pre>\n
\u5047\u8bbe\u5305\u542b\u4e0a\u9762JavaScript\u4ee3\u7801\u7684\u9875\u9762\u6709\u4e00\u5f20\u56fe\u7247\uff0c\u62d6\u52a8\u8fd9\u5f20\u56fe\u7247\uff0c\u5c31\u53ef\u4ee5\u5728\u63a7\u5236\u53f0\u63a7\u5236\u770b\u5230\u7c7b\u4f3c\u4e0b\u9762\u622a\u56fe\u7684\u8f93\u51fa\uff1a<\/p>\n
\"\u8f93\u51fa\u4e8b\u4ef6event\u5bf9\u8c61\u4e2d\u7684DataTransfer\u5bf9\u8c61\"<\/p>\n
\u82e5\u6709\u5174\u8da3\u4eb2\u81ea\u770b\u770b\u63a7\u5236\u53f0\u8f93\u51fa\u5185\u5bb9\uff0c\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a\u62d6\u62fd\u76f8\u5173\u4e8b\u4ef6\u4e2d\u7684DataTransfer\u5bf9\u8c61demo<\/a><\/p>\n
\u8fd9\u4e2aDataTransfer\u5bf9\u8c61\u5305\u542b\u8bf8\u591a\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u6765\u6539\u53d8\u62d6\u62fd\u6548\u679c\uff0c\u83b7\u53d6\u548c\u8bbe\u7f6e\u62d6\u62fd\u5185\u5bb9\uff0c\u719f\u7ec3\u638c\u63e1\uff0c\u5fc5\u5b9a\u53ef\u4ee5\u62b5\u5fa1\u732e\u796d\u4e2d\u7684\u9ed1\u5c71\u7f8a\u9b54\u6cd5\u3002<\/p>\n
\u4e09\u3001DataTransfer\u5bf9\u8c61\u5c5e\u6027\u548c\u65b9\u6cd5\u8be6\u89e3<\/h3>\n
DataTransfer\u5bf9\u8c61\u5305\u542b\u4e0b\u97625\u4e2a\u6807\u51c6\u5c5e\u6027\u548c4\u4e2a\u6807\u51c6\u65b9\u6cd5\u3002<\/p>\n
\u6807\u51c6\u5c5e\u6027<\/h4>\n
\n
DataTransfer.dropEffect<\/strong><\/dt>\n
\u83b7\u53d6\u5f53\u524d\u6240\u9009\u62d6\u653e\u64cd\u4f5c\u7684\u7c7b\u578b\uff0c\u6216\u5c06\u62d6\u62fd\u64cd\u4f5c\u8bbe\u7f6e\u4e3a\u65b0\u7c7b\u578b\u3002\u503c\u5fc5\u987b\u4e3anone<\/code>\uff0ccopy<\/code>\uff0clink<\/code>\u6216move<\/code>\u4e2d\u7684\u4e00\u4e2a\u3002<\/dd>\n
DataTransfer.effectAllowed<\/strong><\/dt>\n
\u63d0\u4f9b\u53ef\u80fd\u7684\u6240\u6709\u7c7b\u578b\u7684\u64cd\u4f5c\u3002\u5fc5\u987b\u662fnone<\/code>\uff0ccopy<\/code>\uff0ccopyLink<\/code>\uff0ccopyMove<\/code>\uff0clink<\/code>\uff0clinkMove<\/code>\uff0cmove<\/code>\uff0call<\/code>\u6216uninitialized<\/code>\u4e2d\u7684\u4e00\u4e2a\u3002<\/dd>\n
DataTransfer.files<\/strong><\/dt>\n
\u62d6\u62fd\u7684\u672c\u5730\u6587\u4ef6\u5217\u8868\u3002\u5982\u679c\u62d6\u52a8\u64cd\u4f5c\u4e0d\u6d89\u53ca\u62d6\u52a8\u6587\u4ef6\uff0c\u5219\u6b64\u5c5e\u6027\u4e3a\u7a7a\u5217\u8868\u3002<\/dd>\n
DataTransfer.items<\/strong> \uff08\u53ea\u8bfb\uff09<\/em><\/dt>\n
\u63d0\u4f9bDataTransferItemList\u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u662f\u6240\u6709\u62d6\u52a8\u6570\u636e\u7684\u5217\u8868\u3002<\/dd>\n
DataTransfer.types<\/strong> \uff08\u53ea\u8bfb\uff09<\/em><\/dt>\n
\u5728dragstart<\/code>\u4e8b\u4ef6\u4e2d\u8bbe\u7f6e\u6570\u636e\u683c\u5f0f\uff0c\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u3002<\/dd>\n<\/dl>\n
\u6807\u51c6\u65b9\u6cd5<\/h4>\n
\n
DataTransfer.clearData([format])<\/strong><\/dt>\n
\u5220\u9664\u4e0e\u7ed9\u5b9a\u7c7b\u578b\u5173\u8054\u7684\u6570\u636e\u3002format<\/code>\u53c2\u6570\u662f\u53ef\u9009\u7684\u3002\u5982\u679c\u7c7b\u578b\u4e3a\u7a7a\u6216\u672a\u6307\u5b9a\uff0c\u5219\u5220\u9664\u6240\u6709\u5173\u8054\u7684\u6570\u636e\u3002\u5982\u679c\u6307\u5b9a\u7c7b\u578b\u7684\u6570\u636e\u4e0d\u5b58\u5728\uff0c\u6216\u8005\u6570\u636e\u4f20\u8f93\u4e0d\u5305\u542b\u4efb\u4f55\u6570\u636e\uff0c\u5219\u6b64\u65b9\u6cd5\u65e0\u6548\u3002<\/dd>\n
DataTransfer.getData(format)<\/strong><\/dt>\n
\u8fd4\u56de\u7ed9\u5b9a\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5982\u679c\u8be5\u7c7b\u578b\u7684\u6570\u636e\u4e0d\u5b58\u5728\u6216\u6570\u636e\u4f20\u8f93\u4e0d\u5305\u542b\u6570\u636e\uff0c\u5219\u8fd4\u56de\u7a7a\u5b57\u7b26\u4e32\u3002<\/dd>\n
DataTransfer.setData(format, data)<\/strong><\/dt>\n
\u8bbe\u7f6e\u7ed9\u5b9a\u7c7b\u578b\u7684\u6570\u636e\u3002\u5982\u679c\u8be5\u7c7b\u578b\u7684\u6570\u636e\u4e0d\u5b58\u5728\uff0c\u5219\u5728\u672b\u5c3e\u6dfb\u52a0\uff0c\u4ee5\u4f7f\u5217\u8868\u4e2d\u7684\u6700\u540e\u4e00\u9879\u6210\u4e3a\u65b0\u683c\u5f0f\u7c7b\u578b\u3002\u5982\u679c\u8be5\u7c7b\u578b\u7684\u6570\u636e\u5df2\u5b58\u5728\uff0c\u5219\u5728\u76f8\u540c\u4f4d\u7f6e\u628a\u73b0\u6709\u6570\u636e\u66ff\u6362\u6389\u3002<\/dd>\n
DataTransfer.setDragImage(img, xOffset, yOffset)<\/strong><\/dt>\n
\u8bbe\u7f6e\u7528\u4e8e\u62d6\u52a8\u7684\u81ea\u5b9a\u4e49\u56fe\u50cf\u3002<\/dd>\n<\/dl>\n
\u4e0b\u9762\u4e00\u4e2a\u4e00\u4e2a\u8be6\u7ec6\u5c55\u5f00\u3002<\/p>\n
\u56db\u3001DataTransfer.dropEffect<\/h3>\n
dropEffect<\/code>\u5c5e\u6027\u987e\u540d\u601d\u610f\u62d6\u62fd\u6548\u679c\uff0c\u5728PC web\u7aef\u4e3b\u8981\u8868\u73b0\u5728\u9f20\u6807\u624b\u5f62\u4e0a\u3002\u4e0d\u540c\u7684dropEffect<\/code>\u503c\uff0c\u9f20\u6807\u7684\u624b\u5f62\u6548\u679c\u662f\u4e0d\u4e00\u6837\u7684\u3002<\/p>\n
\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5047\u8bbe\u6709\u4e2abox<\/code>\u5143\u7d20\uff0c\u5f53dragover<\/code>\u7684\u65f6\u5019\uff0c\u6211\u4eec\u8bbe\u7f6e\u5176dropEffect<\/code>\u503c\u5206\u522b\u4e3amove<\/code>\uff0ccopy<\/code>\uff0clink<\/code>\u548cnone<\/code>\uff0c\u5982\u4e0b\u4ee3\u7801\u793a\u610f\uff1a<\/p>\n
\/\/ \u62d6\u62fd\u5143\u7d20\u7ecf\u8fc7box<\/span>\nbox.addEventListener('dragover', function (event) {\n    event.preventDefault();\n    \/\/ \u8bbe\u7f6edropEffect\u503c\u4e3amove, copy, link, none<\/span>\n    event.dataTransfer.dropEffect = 'move';\n});<\/pre>\n
\u52194\u4e2a\u4e0d\u540c\u5c5e\u6027\u503c\u6548\u679c\u5982\u4e0b\u5982\u4e0b\u622a\u56fe\u793a\u610f\uff1a<\/p>\n
\"move\u624b\u5f62\" \"copy\u624b\u5f62\" \"link\u624b\u5f62\" \"none\u624b\u5f62\"<\/p>\n
\u53ef\u4ee5\u770b\u5230\uff0c\u8bbe\u7f6e\u4e0d\u540c\u7684dropEffect<\/code>\u5c5e\u6027\u503c\uff0c\u9f20\u6807\u7684\u624b\u5f62\u5c31\u4f1a\u6709\u4e0d\u4e00\u6837\u7684\u8868\u73b0\u3002<\/p>\n
\u773c\u89c1\u4e3a\u5b9e\uff0c\u5982\u679c\u60a8\u662f\u684c\u9762\u6d4f\u89c8\u5668\u6d4f\u89c8\uff0c\u5219\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aDataTransfer.dropEffect\u6548\u679c\u6f14\u793ademo<\/a><\/p>\n
\u9009\u62e9\u4e0d\u540c\u7684\u5355\u9009\u9009\u9879\uff0c\u7136\u540e\u62d6\u52a8\u56fe\u7247\u5230\u8be5\u5bb9\u5668\u4e0a\u65b9\uff0c\u5373\u53ef\u770b\u5230\u4e0d\u4e00\u6837\u7684\u9f20\u6807\u624b\u5f62\u8868\u73b0\uff0c\u8fd9\u5c31\u662fdropEffect<\/code>\u76ee\u524d\u7684\u8868\u73b0\u3002<\/p>\n
\u5176\u4ed6\u4fe1\u606f<\/strong>
\ndropEffect<\/code>\u5c5e\u6027\u7684\u8bbe\u7f6e\u4e3b\u8981\u7528\u5728dragenter<\/code>\u548cdragover<\/code>\u4e8b\u4ef6\u4e2d\uff0c\u540c\u65f6\u53d7effectAllowed<\/code>\u5c5e\u6027\u5f71\u54cd\u3002<\/p>\n
\u4f8b\u5982\uff0c\u6211\u4eec\u5728dragstart<\/code>\u7684\u65f6\u5019\u8bbe\u7f6eeffectAllowed<\/code>\u5c5e\u6027\u503c\u4e3a'none'<\/code>\uff0c\u5219dropEffect<\/code>\u53ea\u80fd\u8868\u73b0\u4e3a'none'<\/code>\uff0c\u800c\u4e0d\u4f1a\u51fa\u73b0\u5176\u4ed6\u624b\u5f62\uff0c\u5373\u4f7f\u8bbe\u7f6e\u4e86\u5176\u4ed6\u624b\u5f62\u5bf9\u5e94\u7684\u5c5e\u6027\u503c\u3002<\/p>\n
\u4e94\u3001DataTransfer.effectAllowed<\/h3>\n
\u8868\u793a\u62d6\u62fd\u5141\u8bb8\u7684\u6548\u679c\u3002\u652f\u6301\u7684\u5c5e\u6027\u503c\u8f83\u591a\uff0c\u5982\u4e0b\uff1a<\/p>\n
\n
uninitialized<\/strong><\/dt>\n
\u9ed8\u8ba4\u503c\uff0c\u8868\u793a\u672a\u521d\u59cb\u5316\u3002\u4ece\u6548\u679c\u4e0a\u6765\u8bb2\uff0c\u548call<\/code>\u662f\u4e00\u6837\u6ef4\u3002<\/dd>\n
none<\/strong><\/dt>\n
\u4e0d\u5141\u8bb8\u62d6\u62fd\u3002\u9f20\u6807\u4fdd\u6301\u7981\u6b62\u72b6\u6001\u3002<\/dd>\n
copy<\/strong><\/dt>\n
\u53ef\u4ee5\u5728\u65b0\u4f4d\u7f6e\u590d\u5236\u5143\u7d20\u3002<\/dd>\n
copyLink<\/strong><\/dt>\n
\u5141\u8bb8\u590d\u5236\u548c\u94fe\u63a5\u64cd\u4f5c\u3002<\/dd>\n
copyMove<\/strong><\/dt>\n
\u5141\u8bb8\u590d\u5236\u548c\u79fb\u52a8\u64cd\u4f5c\u3002<\/dd>\n
link<\/strong><\/dt>\n
\u53ef\u4ee5\u5728\u65b0\u4f4d\u7f6e\u5efa\u7acb\u94fe\u63a5\u3002<\/dd>\n
linkMove<\/strong><\/dt>\n
\u5141\u8bb8\u94fe\u63a5\u548c\u79fb\u52a8\u64cd\u4f5c\u3002<\/dd>\n
move<\/strong><\/dt>\n
\u53ef\u4ee5\u628a\u5143\u7d20\u79fb\u52a8\u5230\u65b0\u4f4d\u7f6e\u3002<\/dd>\n
all<\/strong><\/dt>\n
\u4ec0\u4e48\u64cd\u4f5c\u90fd\u5141\u8bb8\u3002<\/dd>\n<\/dl>\n
\u5982\u679ceffectAllowed<\/code>\u5c5e\u6027\u503c\u8bbe\u7f6e\u4e3a\u4e0a\u9762\u5217\u8868\u4ee5\u5916\u7684\u5176\u5b83\u503c\u5219\u6ca1\u6709\u4efb\u4f55\u6548\u679c\u3002\u53e6\u5916\u5728IE\u6d4f\u89c8\u5668\u4e0b\u6240\u6709\u7684\u5b57\u90fd\u4f1a\u5c0f\u5199\uff0c\u56e0\u6b64\u7c7b\u4f3clinkMove<\/code>\u4f1a\u53d8\u6210linkmove<\/code>\u3002<\/p>\n
effectAllowed\u548cdropEffect\u7684\u5173\u7cfb<\/h4>\n
effectAllowed<\/code>\u548cdropEffect<\/code>\u901a\u5e38\u5e94\u7528\u7684\u4e8b\u4ef6\u65b9\u6cd5\u540d\u4e0d\u4e00\u6837\uff0ceffectAllowed<\/code>\u591a\u7528\u5728dragstart<\/code>\u4e8b\u4ef6\u4e2d\uff0c\u800cdropEffect<\/code>\u5c5e\u6027\u7684\u8bbe\u7f6e\u4e3b\u8981\u7528\u5728dragenter<\/code>\u548cdragover<\/code>\u4e8b\u4ef6\u4e2d\u3002<\/p>\n
effectAllowed<\/code>\u548cdropEffect<\/code>\u7684\u5f7c\u6b64\u95f4\u662f\u6709\u5236\u7ea6\u5173\u7cfb\uff0c\u5f53\u6211\u4eec\u7ed9effectAllowed<\/code>\u8bbe\u7f6e\u4e86\u5bf9\u5e94\u7684\u5c5e\u6027\u503c\uff0c\u5219dropEffect<\/code>\u53ea\u80fd\u8bbe\u7f6e\u4e3aeffectAllowed<\/code>\u5141\u8bb8\u7684\u503c\uff0c\u5426\u5219\u662f\u65e0\u6548\u7684\u3002<\/p>\n
\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5982\u679c\u6211\u4eec\u8bbe\u7f6eeffectAllowed<\/code>\u503c\u4e3a'copyMove'<\/code>\uff0c\u5219dropEffect<\/code>\u53ea\u6709'copy'<\/code>\u548c'move'<\/code>\u8fd9\u4e24\u4e2a\u5c5e\u6027\u503c\u624d\u6709\u6548\u3002<\/p>\n
effectAllowed<\/code>\u770b\u4e0a\u53bb\u5f88\u5c4c\uff0c\u4f46\u5b9e\u9645\u5e94\u7528\u7684\u65f6\u5019\u76f8\u5f53\u9e21\u808b\u3002\u6211\u4eec\u901a\u5e38\u7684\u62d6\u62fd\u5e94\u7528\u662f\u7528\u4e0d\u5230\u8fd9\u4e2a\u7684\u3002\u53ea\u8981\u4e0b\u9762\u8fd9\u4e2a\u573a\u666f\uff0c\u90a3\u5c31\u662f\u5f53\u6211\u4eec\u6709\u5f88\u591a\u4e2a\u5143\u7d20\u9700\u8981\u62d6\u62fd\uff0c\u4f46\u662f\u9700\u8981\u50cf\u5783\u573e\u4e00\u6837\u5206\u95e8\u522b\u7c7b\u7684\u65f6\u5019\uff0ceffectAllowed<\/code>\u5c31\u6709\u7528\u4e86\u3002<\/p>\n
\u539f\u751f\u62d6\u62fd\u4e8b\u4ef6\u6709\u8fd9\u6837\u4e00\u79cd\u884c\u4e3a\uff0c\u90a3\u5c31\u662f\u5982\u679ceffectAllowed<\/code>\u503c\u548cdropEffect<\/code>\u503c\u4e0d\u4e00\u81f4\uff0c\u5219\u65e0\u6cd5\u54cd\u5e94drop<\/code>\u4e8b\u4ef6\u3002\u6211\u4eec\u53ef\u4ee5\u60f3\u8c61\u4e00\u4e0b\uff0c\u5047\u8bbe\u6211\u4eec\u5728\u7f51\u9875\u4e2d\u653e\u4e09\u4e2a\u5783\u573e\u7bb1\uff0c\u5206\u522b\u56de\u6536move\u5143\u7d20\uff0ccopy\u5143\u7d20\u548clink\u5143\u7d20\uff0c\u7531\u4e8eDOM\u5143\u7d20\u7684\u8f6c\u79fb\u6216\u8005\u590d\u5236\u6211\u4eec\u90fd\u662f\u5728drop<\/code>\u4e8b\u4ef6\u4e2d\u5b8c\u6210\u7684\uff0c\u5219effectAllowed<\/code>\u5305\u542bcopy<\/code>\u5143\u7d20\u7684\u624d\u80fd\u62d6\u62fd\u8fdb\u5165copy\u5783\u573e\u7bb1\uff08\u53ef\u4ee5\u89e6\u53d1drop<\/code>\u4e8b\u4ef6\uff09\u3002<\/p>\n
\u5e73\u5e38\u5f00\u53d1\u90fd\u662f\u7b80\u5355\u7684\u62d6\u62fd\uff0c\u54ea\u91cc\u9700\u8981\u7528\u5230\u5206\u95e8\u522b\u7c7b\u554a\uff0c\u56e0\u6b64effectAllowed<\/code>\u4e5f\u5c31\u65e0\u7528\u6b66\u4e4b\u5730\u4e86\u3002<\/p>\n
\/\/zxx: \u8fd9\u91cc\u6709\u4e2aCodePen<\/a>\uff0c\u53ef\u4ee5\u611f\u53d7\u4e0b\u3002<\/span><\/p>\n
link\u4f5c\u4e3a\u5c5e\u6027\u503c\u6848\u4f8b\u4e00\u5219<\/h4>\n
\u8fd9\u91cc\u63d2\u64ad\u4e00\u4e2a\u6848\u4f8b\uff0c\u5b9e\u73b0\u7684\u662fChrome\u6d4f\u89c8\u5668\u4e0b\u62d6\u62fd\u94fe\u63a5\u4e5f\u80fd\u65b0\u7a97\u53e3\u6253\u5f00\u7684\u5b9e\u73b0\u3002\u5728Firefox\u548cIE\u6d4f\u89c8\u5668\u4e0b\uff0c\u94fe\u63a5\u5143\u7d20\u4f60\u6309\u4f4f\u4e00\u62d6\u62fd\uff0c\u5c31\u53ef\u4ee5\u5728\u65b0\u7684\u6d4f\u89c8\u5668\u6807\u7b7e\u9875\u4e2d\u6253\u5f00\uff0cChrome\u6d4f\u89c8\u5668\u5219\u9700\u8981\u62d6\u52a8\u5230\u5730\u5740\u680f\u624d\u53ef\u4ee5\u3002\u5982\u679c\u6211\u4eec\u60f3\u8981\u5b9e\u73b0Chrome\u6d4f\u89c8\u5668\u4e0b\u62d6\u62fd\u4e5f\u80fd\u6807\u7b7e\u9875\u4e2d\u6253\u5f00\uff0c\u5c31\u53ef\u4ee5\u770b\u770b\u4e0b\u9762\u8fd9\u4e2a\u6848\u4f8b\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a\u62d6\u62fd\u94fe\u63a5\u65b0\u6807\u7b7e\u9875\u6253\u5f00demo<\/a><\/p>\n
\u62d6\u62fd\u94fe\u63a5\u5230demo\u9875\u9762\u4e00\u4e2a\u7070\u8272\u76d2\u5b50\u4e2d\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n
\"\u62d6\u62fd\u5230\u76d2\u5b50\u4e2d\"<\/p>\n
\u91ca\u653e\u9f20\u6807\uff0c\u6b64\u65f6\u8fd9\u4e2a\u94fe\u63a5\u5c31\u4f1a\u5728\u65b0\u6807\u7b7e\u9875\u4e2d\u6253\u5f00\u3002<\/p>\n
\u76f8\u5173\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
<a href=\"#\" id=\"link\">\u62d6\u62fd\u6211\u5230\u4e0b\u9762\u6846\u6846\u8bd5\u8bd5<\/a>\n<p id=\"box\" class=\"box\"><\/p><\/pre>\n
var isOpenLink = null;\nlink.addEventListener('dragstart', function (event) {\n    event.dataTransfer.effectAllowed = 'link';    \n});\nbox.addEventListener('dragover', function (event) {\n    event.preventDefault();\n    \/\/ \u68c0\u6d4b\u662f\u5426\u9700\u8981\u65b0\u7a97\u53e3\u6253\u5f00\u94fe\u63a5<\/span>\n    if (event.dataTransfer.dropEffect != 'link') {\n        isOpenLink = true;\n    }\n    event.dataTransfer.dropEffect = 'link';\n});\nbox.addEventListener('drop', function (event) {\n    event.preventDefault();\n    if (isOpenLink) {\n        window.open(link.href);\n    }\n});<\/pre>\n
\u901a\u8fc7\u68c0\u6d4bdataTransfer.dropEffect<\/code>\uff0c\u6709\u6548\u907f\u514d\u548c\u539f\u672c\u652f\u6301\u62d6\u62fd\u65b0\u6807\u7b7e\u9875\u6253\u5f00\u94fe\u63a5\u7684\u6d4f\u89c8\u5668\u51b2\u7a81\u3002<\/p>\n
\u516d\u3001DataTransfer.files<\/h3>\n
\u5f53\u6211\u4eec\u4ece\u684c\u9762\u5f80\u7f51\u9875\u6d4f\u89c8\u5668\u4e2d\u62d6\u6587\u4ef6\u7684\u65f6\u5019\uff0cDataTransfer.files\u5c31\u6d3e\u4e0a\u7528\u573a\u4e86\uff0c\u5176\u5bf9\u5e94\u7684\u5217\u8868\u53ea\u5c31\u662f\u6211\u4eec\u62d6\u8fdb\u53bb\u7684\u6587\u4ef6\u5217\u8868\u3002<\/p>\n
\u76ee\u524d\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u5e94\u7528\u7684\u6bd4\u8f83\u591a\u7684\u662f\u62d6\u62fd\u4e0a\u4f20\uff0c\u5177\u4f53\u53ef\u53c2\u89c1\u621111\u5e74\u5199\u7684\u4e00\u4e2aajax\u56fe\u7247\u4e0a\u4f20demo<\/a>\u3002<\/p>\n
\u8fd9\u91cc\u6211\u53c8\u5199\u4e86\u4e00\u4e2a\u66f4\u7cbe\u7b80\u7684demo\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528DataTransfer.files\u83b7\u5f97\u684c\u9762\u62d6\u62fd\u8fdb\u5165\u7684\u6587\u4ef6\u4fe1\u606f\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u7684\u70b9\u51fb\u8fd9\u91cc\uff1aDataTransfer.files\u83b7\u53d6\u684c\u9762\u6587\u4ef6\u4fe1\u606fdemo<\/a><\/p>\n
\u4f8b\u5982\uff0c\u6211\u6846\u9009\u4e24\u4e2a\u6587\u672c\u6587\u4ef6\u548c\u4e24\u4e2a\u5feb\u6377\u65b9\u5f0f\uff0c\u62d6\u5230demo\u9875\u9762\u7684\u6846\u6846\u91cc\u9762\uff0c\u7ed3\u679c\u6548\u679c\u5982\u4e0b\u56fe\uff1a<\/p>\n
\"\u62d6\u52a8\u67e5\u770b\u6587\u4ef6\u7c7b\u578b\"<\/p>\n
\"\u62d6\u52a8\u8f93\u51fa\u6587\u4ef6\u7c7b\u578b\"<\/p>\n
\u53ef\u4ee5\u770b\u5230\uff0c\u4e24\u4e2atxt\u6587\u4ef6\u8bc6\u522b\u4e3a\u4e86text\/plain\uff0c\u800c\u5feb\u6377\u65b9\u5f0f\u6587\u4ef6\u6ca1\u6709mime-type\uff0c\u56e0\u6b64\uff0c\u8f93\u51fa\u5185\u5bb9\u662f\u7a7a\u3002<\/p>\n
\u76f8\u5173JS\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
box.addEventListener('drop', function (event) {\n    event.preventDefault();\n    \/\/ \u904d\u5386\u6587\u4ef6\u4fe1\u606f<\/span>\n    var files = event.dataTransfer.files<\/span> || [];\n    var length = files.length;\n    if (length == 0) {\n        this.innerHTML = '<p>\u6ca1\u6709\u6587\u4ef6<\/p>';\n        return;\n    }\n    var html = '';\n    for (var index = 0; index < length; index++) {\n        html += '<p>\u7c7b\u578b\uff1a'+ files[index].type +'<\/p>';    \n    }\n    this.innerHTML = html;\n});<\/pre>\n
\u4ec0\u4e48\u65f6\u5019\u4f1a\u51fa\u73b0\u201c\u6ca1\u6709\u6587\u4ef6\u201d\u7684\u63d0\u793a\u5462\uff1f\u6bd4\u65b9\u8bf4demo\u9875\u9762\u4f60\u6846\u9009\u51e0\u4e2a\u6587\u5b57\uff0c\u62d6\u62fd\u5230\u65b9\u6846\u6846\u91cc\u9762\uff0c\u5c31\u4f1a\u63d0\u793a\u201c\u6ca1\u6709\u6587\u4ef6\u201d\u4e86\uff0c\u56e0\u4e3a\u4f60\u62d6\u62fd\u8fdb\u53bb\u7684\u672c\u6765\u5c31\u4e0d\u662f\u6587\u4ef6\u5185\u5bb9\u3002\u4e0d\u8fc7\uff0c\u8fd9\u4e2a\u62d6\u62fd\u5185\u5bb9\u6211\u4eec\u662f\u53ef\u4ee5\u4f7f\u7528DataTransfer.items\u83b7\u53d6\u7684\u3002<\/p>\n
\u4e03\u3001DataTransfer.items<\/h3>\n
DataTransfer.items\u53ef\u4ee5\u7528\u6765\u83b7\u53d6\u62d6\u62fd\u7684\u6570\u636e\u4fe1\u606f\uff0c\u53ea\u8bfb\u3002<\/p>\n
DataTransfer.items\u4e3aDataTransferItem\u7c7b\u578b\u7684\u6570\u636e\u5217\u8868\u96c6\u5408\uff0c\u800cDataTransferItem\u53c8\u5305\u542b\u591a\u4e2a\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u5c5e\u6027\u5305\u62eckind<\/code>\u548ctype<\/code>\uff0c\u65b9\u6cd5\u5305\u62ecgetAsString()<\/code>\u548cgetAsFile()<\/code>\uff0c\u8fd9\u4e2a\u548c\u526a\u5207\u677fitem\u5bf9\u8c61\u65b9\u6cd5\u662f\u4e00\u81f4\u7684\u3002<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u5c0f\u6848\u4f8b\u5feb\u901f\u4e86\u89e3\u4e00\u4e0b\u8fd9\u4e9b\u5c5e\u6027\u542b\u4e49\u548c\u4f5c\u7528\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aDataTransferItem\u5c5e\u6027\u548c\u65b9\u6cd5\u4fe1\u606f\u8f93\u51fademo<\/a><\/p>\n
log\u4fe1\u606f\u6253\u5370\u6d4b\u8bd5\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
console.log('kind: ' + DataTransferItem.kind + ', type: ' + DataTransferItem.type + '\\n');\nDataTransferItem.getAsString(function (str) {\n    console.log('\\ngetAsString: ' + str);    \n});<\/pre>\n
\u4e3b\u8981\u6d4b\u8bd5\u4e86kind<\/code>\u548ctype<\/code>\u5c5e\u6027\u548cgetAsString()<\/code>\u65b9\u6cd5\u3002<\/p>\n
\u62d6\u52a8\u56fe\u7247\uff0c\u6b64\u65f6\u5c31\u53ef\u4ee5\u5f97\u5230DataTransfer.items\u5177\u4f53\u90fd\u662f\u4e9b\u4ec0\u4e48\u4fe1\u606f\uff0c\u5982\u4e0b\u622a\u56fe\uff1a<\/p>\n
\"\u62d6\u62fd\u4e00\u4e2a\u56fe\u7247\u663e\u793a\u7684item\u4fe1\u606f\"<\/p>\n
\u5176\u4e2d\uff0c\u5305\u542b3\u4e2aitem\uff0ckind<\/code>\u5168\u90e8\u90fd\u662fstring<\/code>\uff0ctype<\/code>\u6307\u7684\u662fmimeType\u7c7b\u578b\uff0c\u5305\u542b3\u4e2d\u4e0d\u540c\u7c7b\u578b\uff0c\u4e3a\uff1atext\/plain<\/code>\uff0ctext\/html<\/code>\u548ctext\/uri-list<\/code>\u3002<\/p>\n
\u5982\u679c\u6211\u4eec\u62d6\u52a8\u9875\u9762\u4e0a\u6587\u5b57\u4fe1\u606f\u5230\u8f93\u5165\u6846\u4e0a\u663e\u793a\u7684\u5c31\u53ea\u67092\u4e2d\u7c7b\u578b\u9879\uff1a<\/p>\n
\"\u6587\u672c\u62d6\u62fd\u8fdb\u53bb\u663e\u793a\u7684\u6587\u672c\u4fe1\u606f\"<\/p>\n
\u5982\u679c\u4ece\u6d4f\u89c8\u5668\u5730\u5740\u680f\u62d6\u6587\u5b57\u5230\u8f93\u5165\u6846\uff0c\u5c31\u4f1a\u53ea\u6709text\/plain<\/code>\u8fd91\u79cd\u7c7b\u578b\u3002<\/p>\n
\/\/zxx: \u6d4f\u89c8\u5668\u4e0d\u540c\u7684\u8f93\u5165\u5bb9\u5668\u4f1a\u81ea\u52a8\u7504\u522b\u663e\u793a\u5185\u5bb9\uff0c\u4f8b\u5982\uff1a\uff0c\u5bf9\u4e8e\u6587\u672c\u6846\uff0c\u663e\u793a\u5185\u5bb9\u4e3atext\/plain\u7eaf\u6587\u672c\uff08\u5982\u672cdemo\uff09\uff0c\u5982\u679c\u662f\u5bcc\u6587\u672c\u8f93\u5165\u6846\uff08\u5982HTML\u5143\u7d20\u8bbe\u7f6econtenteditable\u5c5e\u6027<\/a>\uff09\uff0c\u5219\u663e\u793a\u5185\u5bb9\u4e3atext\/html\u5bcc\u6587\u672c\u3002<\/span><\/p>\n
\n
\u5b9e\u9645\u4e0a\uff0c\u5b50item\u7684kind<\/code>\u8fd8\u6709\u53ef\u80fd\u662f'file'<\/code>\uff0c\u4f8b\u5982\u628a\u5fae\u535a\u4e2a\u4eba\u4e3b\u9875\u5934\u50cf\u62d6\u8fdb\u6765\uff1a<\/p>\n
\"\u62d6\u5934\u50cf\"<\/p>\n
\"file\u7c7b\u578b\u7684kind\"<\/p>\n
\u6b64\u65f6\uff0c\u53ef\u4ee5\u8c03\u7528getAsFile()<\/code>\u65b9\u6cd5\u5c06\u5176\u8f6c\u6362\u6210\u4e8c\u8fdb\u5236\u6587\u4ef6\u5bf9\u8c61\uff0c\u7136\u540e\u53ef\u4ee5ajax\u4e0a\u4f20\u7b49\u5904\u7406\u3002<\/p>\n
\u5b9e\u9645\u5f00\u53d1\u7684\u5904\u7406\u6a21\u677f<\/h4>\n
\u6709\u4e2a\u5904\u7406\u6a21\u677f\uff0c\u65e0\u8bba\u4f55\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5927\u5bb6\u53ef\u4ee5\u627e\u5230\u5bf9\u5e94\u4f4d\u7f6e\uff0c\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\uff0c\u7701\u6389\u4e0d\u5c11\u81ea\u5df1\u5199\u903b\u8f91\u5224\u65ad\u7684\u9ebb\u70e6\u3002<\/p>\n
handleDataTransferItems = function (items) {\n  for (var i = 0; i < items.length; i += 1) {\n    var kind = items[i].kind;\n    var type = items[i].type;\n    \/\/ \u903b\u8f91\u5f00\u59cb<\/span>\n    if (kind == 'string') {\n      if (type.indexOf('text\/plain') != -1) {\n        items[i].getAsString(function (str) {\n          \/\/ str\u662f\u7eaf\u6587\u672c\uff0c\u8be5\u600e\u4e48\u5904\u7406\uff0c\u5c31\u5728\u8fd9\u91cc\u5904\u7406<\/span>\n        });   \n      } else if (type.indexOf('text\/html') != -1) {\n        items[i].getAsString(function (str) {\n          \/\/ str\u662f\u5bcc\u6587\u672c\uff0c\u5c31\u5728\u8fd9\u91cc\u5904\u7406<\/span>\n        });\n      } else if (type.indexOf('text\/uri-list') != -1) {\n        items[i].getAsString(function (str) {\n          \/\/ str\u662furi\u5730\u5740\uff0c\u5728\u8fd9\u91cc\u8fdb\u884c\u5904\u7406<\/span>\n        });\n      }\n    } else if (kind == 'file') {\n      \/\/ \u5982\u679c\u662f\u56fe\u7247<\/span>\n      if (type.indexOf('image\/') != -1) {\n        var file = items[i].getAsFile();\n        \/\/ file\u5c31\u662f\u56fe\u7247\u6587\u4ef6\u5bf9\u8c61\uff0c\u53ef\u4ee5\u4e0a\u4f20\uff0c\u6216\u8005\u5176\u4ed6\u5904\u7406<\/span>\n      }\n    }\n  }\n};<\/pre>\n
\u4f7f\u7528\u793a\u4f8b\uff1a<\/p>\n
document.addEventListener('drop', function (event) {\n    var items = event.dataTransfer.items || [];\n    handleDataTransferItems(items);\n});<\/pre>\n
\u8fd1\u4eb2clipboardData.items<\/h4>\n
\u526a\u5207\u677f\u5bf9\u8c61\u4e5f\u6709items\u5c5e\u6027\uff0c\u6570\u636e\u7c7b\u578b\u4ee5\u53caitem\u5b50\u9879\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u548cDataTransfer\u5bf9\u8c61\u662f\u4e00\u6837\u7684\uff0c\u5b66\u4f1a\u4e86\u4e00\u4e2a\u81ea\u7136\u4e5f\u5c31\u5b66\u4f1a\u4e86\u53e6\u5916\u4e00\u4e2a\uff0c\u4e0d\u5c55\u5f00\u3002<\/p>\n
\u516b\u3001DataTransfer.types<\/h3>\n
DataTransfer.types\u7528\u5728dragstart<\/code>\u4e8b\u4ef6\u4e2d\uff0c\u5305\u542b\u62d6\u62fd\u5185\u5bb9\u7684\u5305\u542b\u7684mimeType\u7c7b\u578b\u4eec\uff0c\u53ef\u4ee5\u904d\u5386\u51fa\u5177\u4f53\u7684type<\/code>\u7c7b\u578b\u3002\u5047\u8bbe\u9875\u9762\u6709\u5982\u4e0b\u5168\u5c40JS\u4ee3\u7801\uff1a<\/p>\n
document.addEventListener('dragstart', function (event) {\n    \/\/ \u904d\u5386\u5e76\u8f93\u51fa\u62d6\u62fd\u5185\u5bb9\u7684\u7c7b\u578b<\/span>\n    var types = event.dataTransfer.types || [];\n    [].slice.call(types).forEach(function (type) {\n        console.log(type);\n    });\n});<\/pre>\n
\u5219\u62d6\u52a8\u7eaf\u56fe\u7247\u5143\u7d20\u8f93\u51fa\u5185\u5bb9\u5982\u4e0b\uff1a
\n\"\u62d6\u52a8\u56fe\u7247\u7684\u8f93\u51fa\u4fe1\u606f\"<\/p>\n
text\/uri-list\ntext\/html\nFiles<\/pre>\n
\u62d6\u52a8\u6587\u5b57\u5982\u4e0b\uff1a<\/p>\n
\"\u62d6\u62fd\u6587\u5b57\u7684\u8f93\u51fa\"<\/p>\n
text\/html\ntext\/plain<\/pre>\n
\u773c\u89c1\u4e3a\u5b9e\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aDataTransfer.types\u4f7f\u7528\u6d4b\u8bd5demo<\/a><\/p>\n
DataTransfer.types\u6709\u4ec0\u4e48\u7528\u5462\uff1f\u5982\u679c\u6211\u4eec\u5e0c\u671b\u9875\u9762\u67d0\u4e9b\u5143\u7d20\u53ef\u4ee5\u62d6\u62fd\uff0c\u6709\u4e9b\u4e0d\u5141\u8bb8\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528types\u5c5e\u6027\u8fdb\u884c\u68c0\u6d4b\uff0c\u4f8b\u5982\uff0c\u5982\u679c\u662f\u5305\u542bFiles\uff0c\u5219\u6267\u884cevent.preventDefault()<\/code>\uff0c\u62d6\u62fd\u884c\u4e3a\u5c31\u4f1a\u88ab\u7981\u6b62\u3002<\/p>\n
\u4e5d\u3001DataTransfer.getData()<\/h3>\n
DataTransfer.getData(format)\u53ef\u4ee5\u5feb\u6377\u83b7\u53d6\u62d6\u62fd\u7684\u5185\u5bb9\u3002<\/p>\n
format<\/code>\u53ef\u4ee5\u7406\u89e3\u4e3a\u5c31\u662fDataTransfer.items\u4e2d\u7684type\u503c\uff0c\u4f8b\u5982\uff0c\u6211\u4eec\u60f3\u8981\u83b7\u53d6\u62d6\u62fd\u5185\u5bb9\u7684\u5bcc\u6587\u672c\u683c\u5f0f\uff0c\u53ef\u4ee5\uff1a<\/p>\n
document.addEventListener('drop', function (event) {\n    \/\/ \u83b7\u53d6\u62d6\u62fd\u5bcc\u6587\u672c\u5185\u5bb9\n    var html = event.dataTransfer.getData('text\/html');\n});<\/pre>\n
\u5982\u679c\u662f\u83b7\u53d6\u7eaf\u6587\u672c\uff0c\u53ef\u4ee5text\/plain<\/code>\uff0c\u6216\u8005\u6709\u65f6\u5019text\/uri-list<\/code>\uff0c\u5b9e\u9645\u5f00\u53d1\u65f6\u5019\uff0c\u6211\u4eec\u4f1a\u76f4\u63a5\u4f7f\u7528'text'<\/code>\uff0c\u4f8b\u5982\uff1a<\/p>\n
document.addEventListener('drop', function (event) {\n    \/\/ \u83b7\u53d6\u62d6\u62fd\u7eaf\u6587\u672c\u5185\u5bb9\n    var html = event.dataTransfer.getData('text');\n});<\/pre>\n
\u4f18\u5316\u8f93\u5165\u6846\u62d6\u62fd\u8f93\u5165\u4f53\u9a8c<\/h4>\n
\u672c\u6848\u4f8b\u7c7b\u4f3c\u4e8e\u201c\u5229\u7528\u526a\u5207\u677fJS API\u4f18\u5316\u8f93\u5165\u6846\u7684\u7c98\u8d34\u4f53\u9a8c<\/a>\u201d\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5f53\u6211\u4eec\u62d6\u62fd\u672c\u6587\u8fdb\u5165\u8f93\u5165\u6846\u7684\u65f6\u5019\uff0c\u6587\u672c\u4fe1\u606f\u53ef\u80fd\u5305\u542b\u4e0d\u9700\u8981\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\u624b\u673a\u53f7\u4e2d\u7684334\u5206\u9694\u7b26\uff0c\u501f\u52a9getData()<\/code>\u65b9\u6cd5\u6211\u4eec\u53ef\u4ee5\u8fdb\u884c\u8fc7\u6ee4\u548c\u4f18\u5316\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aDataTransfer.getData()\u4f18\u5316\u624b\u673a\u53f7\u62d6\u62fd\u8f93\u5165\u4f53\u9a8cdemo<\/a><\/p>\n
\u53ef\u4ee5\u770b\u5230\uff08\u5982\u4e0bGIF\uff09\uff0c\u624b\u673a\u53f7\u660e\u660e\u662f132-0803-3621\uff0c\u4f46\u62d6\u5230\u8f93\u5165\u6846\u540e\u81ea\u52a8\u53d8\u6210\u4e8613208033621\uff0c\u7701\u6389\u4e86\u518d\u7f16\u8f91\u7684\u70e6\u607c\uff1a<\/p>\n
\"\u624b\u673a\u53f7\u62d6\u62fd\u4f18\u5316\"<\/p>\n
\u76f8\u5173JavaScript\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
input.addEventListener('drop', function (event) {\n    \/\/ \u83b7\u53d6\u62d6\u62fd\u6587\u672c\u5185\u5bb9<\/span>\n    var text = event.dataTransfer.getData('text');\n    if (this.value == '' && text.match(\/\\d\/g) && text.match(\/\\d\/g).length == 11) {\n        event.preventDefault();\n        input.value = text.replace(\/\\D\/g, '');\n        input.select();\n    }\n});<\/pre>\n
\u5341\u3001DataTransfer.setData()<\/h3>\n
DataTransfer.setData(format, data)\u53ef\u4ee5\u81ea\u5b9a\u4e49\u62d6\u62fd\u7684\u5185\u5bb9\u4fe1\u606f\u3002\u53ef\u4ee5\u91cd\u7f6e\u539f\u751f\u7684\u62d6\u62fd\u5185\u5bb9\uff0c\u6216\u8005\u7528\u6765\u53c2\u6570\u4f20\u9012\u3002<\/p>\n
\u4f8b\u5982\u5982\u679c\u6211\u4eec\u9875\u9762\u8fd0\u884c\u4e86\u5982\u4e0bJS\u4ee3\u7801\uff1a<\/p>\n
document.addEventListener('dragstart', function (event) {\n    \/\/ \u91cd\u7f6e\u62d6\u62fd\u6587\u672c\u5185\u5bb9<\/span>\n    event.dataTransfer.setData('text', '\u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b');\n});<\/pre>\n
\u5219\u6240\u6709\u5185\u5bb9\u62d6\u62fd\u8fdb\u5165\u8f93\u5165\u6846\u5185\u5bb9\u90fd\u662f\u201c\u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\u201d\uff0c\u5982\u4e0bGIF\u793a\u610f\uff1a<\/p>\n
\"\u62d6\u62fd\u5185\u5bb9\u88ab\u66ff\u6362\"<\/p>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aDataTransfer.setData()\u91cd\u7f6e\u62d6\u62fd\u6587\u672c\u5185\u5bb9demo<\/a><\/p>\n
\n
\u6211\u4eec\u5b9e\u9645\u5f00\u53d1\u57fa\u672c\u4e0a\u90fd\u662f\u62d6\u62fd\u5177\u4f53\u6a21\u5757\u5143\u7d20\uff0c\u6b64\u65f6setData()<\/code>\u65b9\u6cd5\u591a\u7528\u6765\u4f20\u9012\u62d6\u62fd\u5143\u7d20\u7684id<\/code>\u3002<\/p>\n
\u5341\u4e00\u3001DataTransfer.clearData()<\/h3>\n
DataTransfer.clearData()\u53ea\u80fd\u7528\u5728dragstart<\/code>\u4e8b\u4ef6\u4e2d\uff0c\u4f1a\u6e05\u9664\u6240\u6709\u7684\u6570\u636e\u3002\u4e5f\u5c31\u662f\u6267\u884c\u4e86\u6b64\u65b9\u6cd5\u540e\uff0cDataTransfer.getData()\u65b9\u6cd5\u53ea\u80fd\u83b7\u5f97\u7a7a\u5b57\u7b26\u4e32\u3002<\/p>\n
\u4f7f\u7528\u573a\u666f\u4e0d\u662f\u5f88\u591a\u3002<\/p>\n
\u5f53\u6211\u4eec\u9700\u8981\u4f7f\u7528setData()<\/code>\u65b9\u6cd5\u81ea\u5b9a\u4e49\u62d6\u62fd\u6570\u636e\u7684\u65f6\u5019\uff0c\u4e3a\u4e86\u907f\u514d\u539f\u751f\u62d6\u62fd\u6570\u636e\u5e72\u6270\uff0c\u53ef\u4ee5\u5148\u6267\u884c\u4e00\u6b21clearData()<\/code>\u65b9\u6cd5\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514dtext\/html<\/code>\u7c7b\u578b\u6570\u636e\u5e72\u6270\uff08\u5982\u679c\u6211\u4eec\u81ea\u5b9a\u4e49\u7684\u662f\u7eaf\u6587\u672c\u6570\u636e\uff09\u3002<\/p>\n
\u5341\u4e8c\u3001DataTransfer.setDragImage()<\/h3>\n
DataTransfer.setDragImage(img, offsetX, offsetY)\u7528\u5728dragstart<\/code>\u4e8b\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u62d6\u62fd\u65f6\u5019\u6709\u4e2a\u56fe\u7247\u8ddf\u5728\u540e\u9762\u3002<\/p>\n
\u5176\u4e2d\uff0cimg<\/code>\u8868\u793a\u56fe\u7247DOM\u5143\u7d20\u5bf9\u8c61\uff0coffsetX<\/code>\u8868\u793a\u8ddd\u79bb\u9f20\u6807\u7684\u6c34\u5e73\u504f\u79fb\u8ddd\u79bb\uff0coffsetY<\/code>\u8868\u793a\u8ddd\u79bb\u9f20\u6807\u7684\u5782\u76f4\u504f\u79fb\u8ddd\u79bb\u3002<\/p>\n
\u76f4\u63a5\u770b\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n
var image = new Image();\nimage.src = '.\/1f603.svg';\ndocument.addEventListener('dragstart', function (event) {\n    \/\/ \u8bbe\u7f6e\u62d6\u62fd\u56fe\u7247<\/span>\n    event.dataTransfer.setDragImage(image, 10, 10);\n});<\/pre>\n
\u6b64\u65f6\uff0c\u9875\u9762\u4e0a\u62d6\u62fd\u4efb\u610f\u5185\u5bb9\uff0c\u5c31\u4f1a\u770b\u5230\u4e00\u4e2a\u7b11\u8138\u8ddf\u5728\u540e\u9762\u4e86\uff0c\u4f8b\u5982\uff1a<\/p>\n
\"\u62d6\u62fd\u7b11\u8138\u56fe\u7247\u8ddf\u968f\"<\/p>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aDataTransfer.setDragImage()\u8bbe\u7f6e\u62d6\u52a8\u8ddf\u968f\u56fe\u7247demo<\/a><\/p>\n
\u5341\u4e09\u3001\u6700\u540e\u7684\u732e\u796d\u9b54\u6cd5<\/h3>\n
\u679c\u7136\u662f\u8d85\u4f4d\u9b54\u6cd5\uff0c\u89e3\u6784\u4e0b\u6765\u6d0b\u6d0b\u6d12\u6d12\u8fd9\u4e48\u591a\u5185\u5bb9\uff0c\u867d\u7136\u5b66\u5f97\u8f9b\u82e6\uff0c\u4f46\u662f\u82e5\u80fd\u4fdd\u547d\uff0c\u62ff\u4e00\u5207\u90fd\u503c\u5f97\u7684\u3002<\/p>\n
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