{"id":6335,"date":"2017-08-06T20:52:52","date_gmt":"2017-08-06T12:52:52","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=6335"},"modified":"2017-08-06T20:54:00","modified_gmt":"2017-08-06T12:54:00","slug":"html5-button-formaction-formenctype-formmethod-formtarget","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2017\/08\/html5-button-formaction-formenctype-formmethod-formtarget\/","title":{"rendered":"HTML5\u6309\u94ae\u5143\u7d20\u65b0\u5c5e\u6027formaction,formenctype\u7b49\u7b80\u4ecb"},"content":{"rendered":"

by zhangxinxu<\/a> from http:\/\/www.zhangxinxu.com\/wordpress\/?p=6335<\/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<button>\u7b49\u5143\u7d20\u65b0\u589eHTML5\u5c5e\u6027 – form<\/code><\/h3>\n

\u5728\u8fc7\u53bb\uff0c\u8868\u5355\u5143\u7d20<form><\/code>\u548c\u8868\u5355\u63d0\u4ea4\u9700\u8981\u7684\u4e00\u4e9b\u63a7\u4ef6\u5143\u7d20\uff08\u5982<input><\/code>\uff0c<select><\/code>\uff09\u5728DOM\u7ed3\u6784\u4e0a\u5fc5\u987b\u662f\u7236\u5b50\u5173\u7cfb\uff0c\u4f46\u662f\u5728HTML5\u80cc\u666f\u4e0b\uff0c\u8868\u5355\u5143\u7d20\u548c\u63a7\u4ef6\u5143\u7d20\u53ef\u4ee5\u662f\u5728\u9875\u9762\u6587\u6863\u7684\u4efb\u4f55\u4f4d\u7f6e\uff0c\u8fd9\u79cd\u7279\u6027\u7684\u5b9e\u73b0\u5c31\u662f\u901a\u8fc7\u4f7f\u7528form<\/code>\u5c5e\u6027\u3002<\/p>\n

\u5173\u4e8eHTML5\u65b0\u589e\u7684form<\/code>\u5c5e\u6027\uff0c\u6211\u5728\u516d\u5e74\u524d\u5c31\u4ecb\u7ecd\u8fc7<\/a>\uff0c\u4e0d\u8fc7\u90a3\u7bc7\u6587\u7ae0\u662f\u4f7f\u7528<textarea><\/code>\u5143\u7d20\u793a\u610f\u7684\u3002<\/p>\n

\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1atextarea\u793a\u610fform\u5c5e\u6027demo<\/a><\/p>\n

\u8fd9\u4e2ademo\u9875\u9762\u7684\u5173\u952eHTML\u4ee3\u7801\u5982\u4e0b\u793a\u610f\uff1a<\/p>\n

<form id=\"contact_form\" >...<\/form>\n\u8bc4\u8bba\uff1a<textarea id=\"comments\" name=\"comment\" form=\"contact_form\"><\/textarea><\/pre>\n
<textarea><\/code>\u5143\u7d20\u5728<form><\/code>\u5143\u7d20\u7684\u5916\u9762\uff0c\u800c\u4e0d\u662f\u7956\u5148\u548c\u540e\u4ee3\u7684\u5173\u7cfb\uff0c\u4f46\u662f\uff0c\u5f53\u6211\u4eec\u5728\u8868\u5355\u91cc\u9762\u586b\u5199\u6570\u636e\u5e76\u63d0\u4ea4\u7684\u65f6\u5019\uff0c\u4f1a\u53d1\u73b0<textarea><\/code>\u63a7\u4ef6\u4e2d\u7684\u6570\u636e\u4e00\u8d77\u63d0\u4ea4\u4e86\u3002<\/p>\n
\"\u586b\u5199\u8868\u5355\u6570\u636e\u793a\u610f\"<\/p>\n
\"URL\u5730\u5740\u4e2d\u6709textarea\u63d0\u4ea4\u7684\u6570\u636e\"<\/p>\n
\u5982\u679cform<\/code>\u5c5e\u6027\u4f5c\u7528\u5728\u6309\u94ae\u4e0a\uff0c\u5c24\u5176\u662f\u5e26\u6709submit\u6027\u8d28\u7684\u8868\u5355\u63d0\u4ea4\u6309\u94ae\uff0c\u5219\u6700\u7ec8\u7684\u884c\u4e3a\u8868\u73b0\u662f\u53ef\u80fd\u5c31\u662f\u63d0\u4ea4\u53e6\u5916\u4e00\u4e2a<form><\/code>\u8868\u5355\u3002<\/p>\n
\u5b9e\u4f8b\u8bf4\u8bdd\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1abutton\u6309\u94ae\u7684form\u63d0\u4ea4\u522b\u7684\u8868\u5355demo<\/a><\/p>\n
\u9875\u9762\u4e0a\u6709\u4e24\u4e2a\u8868\u5355\u5143\u7d20\uff0c\u63d0\u4ea4\u6309\u94ae\u5728\u7b2c\u4e8c\u4e2a\u8868\u5355\u5143\u7d20\u91cc\u9762\uff0c\u76f8\u5173HTML\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
<form id=\"form1\">\n    \u8868\u5355\u5e8f\u53f7\uff1a<input name=\"formIndex\" value=\"1\" readonly>\n<\/form>\n<form id=\"form2\">\n    \u8868\u5355\u5e8f\u53f7\uff1a<input name=\"formIndex\" value=\"2\" readonly>\n    <input type=\"submit\" value=\"\u63d0\u4ea4\" form=\"form1\"<\/span>>\n<\/form><\/pre>\n
\u7ed3\u679c\uff0c\u70b9\u51fb\u63d0\u4ea4\u6309\u94ae\uff0c\u63d0\u4ea4\u7684\u662f\u7b2c\u4e00\u4e2a\u8868\u5355\uff0c\u5982\u4e0b\u56fe\uff1a
\n\"\u63d0\u4ea4\u6309\u94ae\u63d0\u4ea4\u7684\u662f\u7b2c\u4e00\u4e2a\u8868\u5355\"<\/p>\n
\u6b64\u65f6\u63d0\u4ea4\u6309\u94ae\u4fe8\u7136\u53d8\u6210\u4e86\u4e00\u4e2a\u201c\u95f4\u8c0d\u201d\u3002<\/p>\n
\u4e8c\u3001<button>\u5143\u7d20\u65b0\u589eHTML5\u5c5e\u6027 – formaction<\/h3>\n
formaction<\/code>\u5c5e\u6027\u53ea\u80fd\u4f5c\u7528\u4e8e\u5177\u6709\u63d0\u4ea4\u6027\u8d28\u7684\u6309\u94ae\uff08type='submit'\/'image'<\/code>\uff09\u4e0a\uff0c\u4f5c\u7528\u548c\u540d\u79f0\u4e00\u6837\uff0c\u5982\u679c\u901a\u8fc7\u5f53\u524d\u6309\u94ae\u63d0\u4ea4\u8868\u5355\uff0c\u5728\u8868\u5355\u63d0\u4ea4\u5730\u5740\u4f1a\u4f7f\u7528formaction<\/code>\u5c5e\u6027\u503c\u800c\u4e0d\u662fform<\/code>\u5143\u7d20\u7684action<\/code>\u5c5e\u6027\u503c\u3002<\/p>\n
\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u7eed\u7528\u4e0a\u9762\u7684\u6848\u4f8b\uff1a<\/p>\n
<form id=\"form1\">\n    \u8868\u5355\u5e8f\u53f7\uff1a<input name=\"formIndex\" value=\"1\" readonly>\n<\/form>\n<form id=\"form2\">\n    \u8868\u5355\u5e8f\u53f7\uff1a<input name=\"formIndex\" value=\"2\" readonly>\n    <input type=\"submit\" value=\"\u63d0\u4ea4\" form=\"form1\" formaction=\"blank.html\"<\/span>>\n<\/form><\/pre>\n
\u7ed3\u679c\uff0c\u70b9\u51fb\u63d0\u4ea4\u6309\u94ae\u540e\uff0c\u53bb\u5f80\u7684\u4e0d\u662f\u7684\u5f53\u524d\u9875\u4e86\uff0c\u800c\u662f\u540d\u4e3ablank.html\u7684\u9875\u9762\uff0c\u5728\u672c\u6f14\u793a\u4e2d\u662f\u4e00\u4e2a\u7a7a\u767d\u793a\u610f\u9875\u9762\uff0c\u6548\u679c\u5982\u4e0b\u56fe\uff1a<\/p>\n
\"\u63d0\u4ea4\u5230\u7a7a\u767d\u9875\u793a\u610f\"<\/p>\n
\u773c\u89c1\u4e3a\u5b9e\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u7684\u70b9\u51fb\u8fd9\u91cc\uff1abutton\u6309\u94aeformaction\u5c5e\u6027\u91cd\u7f6e\u8868\u5355action demo<\/a><\/p>\n
\u5982\u679c\u5f53\u524d\u8868\u5355\u4e0d\u662f\u901a\u8fc7\u63d0\u4ea4\u6309\u94ae\u63d0\u4ea4\uff1f<\/strong>
\n\u8868\u5355\u63d0\u4ea4\uff0c\u4e0d\u4e00\u5b9a\u603b\u662f\u901a\u8fc7\u70b9\u51fb\u63d0\u4ea4\u6309\u94ae\uff0c\u8fd8\u53ef\u4ee5\u662f\u8f93\u5165\u6846\u56de\u8f66\u89e6\u53d1\uff0c\u4ea6\u6216\u8005\u662fJS form.submit()<\/code>\uff0c\u5982\u679c\u662f\u8fd9\u7c7b\u63d0\u4ea4\uff0c\u90a3formaction<\/code>\u5c5e\u6027\u8fd8\u6709\u6548\u5417\uff1f<\/p>\n
\u5982\u4e0b\u6d4b\u8bd5\u4ee3\u7801\uff1a<\/p>\n
<form>\n    \u8868\u5355\u5e8f\u53f7\uff1a<input name=\"formIndex\" value=\"1\">\uff08\u56de\u8f66\u8bd5\u8bd5\uff09\n    input type=\"button\" onClick=\"this.parentElement.parentElement.submit()\" value=\"JS\u89e6\u53d1\">\n    input type=\"submit\" value=\"\u63d0\u4ea4\" formaction=\"blank.html\">\n<\/form><\/pre>\n
\u6d4b\u8bd5\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n
    \n
  1. \u8868\u5355\u56de\u8f66\u63d0\u4ea4\u7684\u65f6\u5019\uff0cformaction<\/code>\u751f\u6548\u3002\u8fd9\u4e2a\u6bd4\u8f83\u597d\u7406\u89e3\uff0c\u4e00\u4e2a\u8868\u5355\uff0c\u8981\u60f3\u652f\u6301\u56de\u8f66\u4e8b\u4ef6\uff0c\u9700\u8981\u52a0\u5165\u4e00\u4e2asubmit\u6027\u8d28\u7684\u63d0\u4ea4\u6309\u94ae\u5c31\u53ef\u4ee5\uff0c\u5176\u4f5c\u7528\u672c\u8d28\u4e0a\u5c31\u662f\u56de\u8f66\u7684\u65f6\u5019\u70b9\u51fb\u4e86\u63d0\u4ea4\u6309\u94ae\uff08\u5982\u679c\u5728\u6309\u94ae\u4e0a\u8bbe\u7f6eonClick=\"alert(0)\"<\/code>\uff0c\u56de\u8f66\u65f6\u5019\u4f1a\u6709\u5f39\u51fa\uff0c\u53ef\u4ee5\u8bc1\u660e\u8fd9\u4e00\u70b9\uff09\u3002<\/li>\n
  2. \u5982\u679c\u662fJS submit()<\/code>\u65b9\u6cd5\u89e6\u53d1\u7684\u63d0\u4ea4\uff0c\u5219formaction<\/code>\u6ca1\u6709\u5bf9\u8868\u5355\u63d0\u4ea4\u7684action<\/code>\u8fdb\u884c\u91cd\u7f6e\uff0c\u6d4b\u8bd5\u9875\u9762\u8868\u73b0\u4e3a\u63d0\u4ea4\u5230\u5f53\u524d\u9875\u9762\u3002<\/li>\n<\/ol>\n
    \u773c\u89c1\u4e3a\u5b9e\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u7684\u70b9\u51fb\u8fd9\u91cc\uff1a\u6709formaction\u4f46\u8868\u5355\u975e\u6309\u94ae\u63d0\u4ea4\u6d4b\u8bd5demo<\/a><\/p>\n
    \u501f\u52a9formaction<\/code>\u5c5e\u6027\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e2a\u8868\u5355\u5185\u7684\u4e24\u4e2a\u6309\u94ae\u5206\u522b\u63d0\u4ea4\u5230\u4e0d\u540c\u5730\u5740\u7684\u6548\u679c\u3002<\/p>\n
    \u4e09\u3001<button>\u5143\u7d20\u65b0\u589eHTML5\u5c5e\u6027 – formenctype<\/h3>\n
    formenctype<\/code>\u5c5e\u6027\u53ea\u80fd\u4f5c\u7528\u4e8e\u5177\u6709\u63d0\u4ea4\u6027\u8d28\u7684\u6309\u94ae\uff08type='submit'\/'image'<\/code>\uff09\u4e0a\uff0c\u4f5c\u7528\u548c\u540d\u79f0\u4e00\u6837\uff0c\u5982\u679c\u901a\u8fc7\u5f53\u524d\u6309\u94ae\u63d0\u4ea4\u8868\u5355\uff0c\u5728\u8868\u5355\u63d0\u4ea4\u5730\u5740\u4f1a\u4f7f\u7528formenctype<\/code>\u5c5e\u6027\u503c\u800c\u4e0d\u662fform<\/code>\u5143\u7d20\u7684enctype<\/code>\u5c5e\u6027\u503c\u3002<\/p>\n
    form<\/code>\u5143\u7d20\u7684enctype<\/code>\u5c5e\u6027\u53ef\u4ee5\u6307\u5b9a\u63d0\u4ea4\u6570\u636e\u7684\u7f16\u7801\u65b9\u5f0f\u3002<\/p>\n