{"id":1809,"date":"2011-07-28T01:02:38","date_gmt":"2011-07-27T17:02:38","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1809"},"modified":"2018-01-02T00:13:08","modified_gmt":"2018-01-01T16:13:08","slug":"%e8%af%b4%e8%af%b4html5%e4%b8%adlabel%e6%a0%87%e7%ad%be%e7%9a%84%e5%8f%af%e8%ae%bf%e9%97%ae%e6%80%a7%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2011\/07\/%e8%af%b4%e8%af%b4html5%e4%b8%adlabel%e6%a0%87%e7%ad%be%e7%9a%84%e5%8f%af%e8%ae%bf%e9%97%ae%e6%80%a7%e9%97%ae%e9%a2%98\/","title":{"rendered":"\u8bf4\u8bf4HTML5\u4e2dlabel\u6807\u7b7e\u7684\u53ef\u8bbf\u95ee\u6027\u95ee\u9898"},"content":{"rendered":"

by zhangxinxu<\/a> from http:\/\/www.zhangxinxu.com<\/a>
\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=1809<\/a><\/p>\n

\u4e00\u3001\u5f00\u7bc7\u53e8\u53e8<\/h3>\n

\u4e00\u822c\u7a0d\u5fae\u6709\u4e9b\u7ecf\u9a8c\u7684\u9875\u9762\u5236\u4f5c\u4eba\u5458\u90fd\u77e5\u9053label<\/code>\u6807\u7b7e\u53ef\u4ee5\u4f18\u96c5\u5730\u6269\u5927\u8868\u5355\u63a7\u4ef6\u5143\u7d20\u7684\u70b9\u51fb\u533a\u57df\uff0c\u4f8b\u5982\uff0c\u5355\u7eaf\u7684\u5355\u9009\u6846\u70b9\u51fb\u533a\u57df\u5c31\u9f3b\u5c4e\u90a3\u4e48\u5927\u7684\u5730\u65b9\uff0c\u7ecf\u5e38\u4f1a\u70b9\u4e0d\u5230\u4f4d\u7f6e\u3002\u56e0\u6b64\uff0clabel\u6807\u7b7e\u7684\u4f7f\u7528\u5bf9\u4e8e\u63d0\u9ad8\u9875\u9762\u7684\u53ef\u7528\u6027<\/del>\u53ef\u8bbf\u95ee\u6027\u662f\u5f88\u6709\u5e2e\u52a9\u7684\u3002<\/p>\n

\u6211\u4eec\u770b\u770b\u70b9\u8bc4\u7f51\u7684\u6ce8\u518c\u9875\u9762\u90a3\u4e2a\u540c\u610f\u6761\u6b3e\u7684\u590d\u9009\u6846\uff0c\u975e\u8981\u70b9\u5728\u590d\u9009\u6846\u4e0a\u624d\u80fd\u9009\u4e2d\uff1a
\n\"\u5927\u4f17\u70b9\u8bc4\u7f51\u6ce8\u518c\u9875\u9762\u590d\u9009\u6846\u7684\u70b9\u51fb\u533a\u57df\u95ee\u9898<\/p>\n

\u67e5\u770bHTML\u53d1\u73b0\u590d\u9009\u6846id<\/code>\u548clabel<\/code>\u6807\u7b7e\u7684for<\/code>\u5c5e\u6027\u503c\u90fd\u662f\u7a7a\uff0c\u4e0d\u89e3~~<\/p>\n

\u50cf\u5176\u4ed6\u7f51\u7ad9\u7684\u767b\u5f55\u6216\u662f\u6ce8\u518c\u5904\u7684\u63a7\u4ef6\u7684\u70b9\u51fb\u533a\u57df\u5c31\u505a\u5f97\u86ee\u4e0d\u9519\u7684\uff0c\u50cf\u662f\u8c46\u74e3\u7f51\uff0c \u65b0\u6d6a\u5fae\u535a\u7b49\uff1a
\n\"\u8c46\u74e3\u7f51\u767b\u5f55\u8bb0\u4f4f\u6211\u70b9\u51fb\u533a\u57df\u7684\u6269\u5927 \"\u6269\u5927\u63a7\u4ef6\u70b9\u51fb\u533a\u57df\u5fae\u535a<\/p>\n

\u6211\u4eec\u4e00\u822c\u6709\u4e24\u79cd\u65b9\u6cd5\u6765\u4f18\u96c5\u5730\u6269\u5c55\u8868\u5355\u63a7\u4ef6\u7684\u70b9\u51fb\u533a\u57df\u3002\u5176\u4e00\u662f\u4f7f\u7528label<\/code>\u6807\u7b7e\u5305\u88f9\u63a7\u4ef6\u5143\u7d20\uff0c\u53e6\u5916\u7684\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528label<\/code>\u6807\u7b7e\u7684for<\/code>\u5c5e\u6027\u4e0e\u63a7\u4ef6\u5143\u7d20\u7684id\u76f8\u5173\u8054\u3002<\/p>\n

\u5728HTML5\u8349\u6848<\/a>\u4e2d\u6709\u5982\u679c\u6bb5\u6587\u5b57\uff1a<\/p>\n

\n

The label<\/code> represents a caption in a user interface. The caption can be associated with a specific form control, known as the label<\/code> element\u2019s labeled control<\/dfn>, either using for<\/code> attribute, or by putting the form control inside the label<\/code> element itself.<\/p>\n<\/blockquote>\n

\u4e2d\u6587\u610f\u601d\u5c31\u662f\uff1alabel<\/code>\u6807\u7b7e\u4ee3\u8868\u4e86\u7528\u6237\u754c\u9762\u4e0a\u7684\u4e00\u4e2a\u6807\u9898\uff0c\u8be5\u6807\u9898\u53ef\u4ee5\u4e0e\u5236\u5b9a\u7684\u8868\u5355\u63a7\u4ef6\u76f8\u5173\u8054\uff0c\u5373\u6240\u8c13\u7684label<\/code>\u5143\u7d20\u6807\u8bb0\u63a7\u4ef6\u3002\u53ef\u4ee5\u4f7f\u7528for<\/code>\u5c5e\u6027\uff0c\u6216\u662f\u628a\u8868\u5355\u63a7\u4ef6\u653e\u5728label<\/code>\u5143\u7d20\u7684\u91cc\u9762\u5b9e\u73b0\u8be5\u5173\u8054\u3002<\/p>\n

\u8fd9\u5c31\u610f\u5473\u7740\uff0c\u6211\u4eec\u53ef\u4ee5\u6709\u5982\u4e0b\u4e9b\u505a\u6cd5\uff1a
\n\u4f7f\u7528for\u548cid\u5173\u8054\u63a7\u4ef6<\/strong><\/p>\n

\n
<p><label for=\"test\">\u6807\u7b7e<\/label> <input name=\"input\" type=\"text\" id=\"test\" \/><\/p><\/pre>\n<\/div>\n
label\u6807\u7b7e\u5305\u88f9\u63a7\u4ef6<\/strong><\/p>\n
\n
<p><label>\u6807\u7b7e <input name=\"input\" type=\"text\" \/><\/label><\/p><\/pre>\n<\/div>\n
\u53cc\u7ba1\u9f50\u4e0b<\/strong><\/p>\n
\n
<p><label for=\"test2\">\u6807\u7b7e <input name=\"input\" type=\"text\" id=\"test2\" \/><\/label><\/p><\/pre>\n<\/div>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aHTML5\u4e2dlabel\u5143\u7d20\u4f7f\u7528demo<\/a><\/p>\n
\u57fa\u672c\u4e0a\uff0c\u5728\u5927\u90e8\u5206\u6d4f\u89c8\u5668\u4e0b\uff08IE6\u4e0blabel<\/code>\u6807\u7b7e\u5305\u88f9\u63a7\u4ef6\u7684\u65b9\u6cd5\u662f\u4e0d\u9876\u7528\u7684\uff09\uff0c\u4e09\u4e2a\u65b9\u6cd5\u90fd\u662f\u53ef\u4ee5\u6269\u5927\u5355\u884c\u6587\u672c\u6846\u63a7\u4ef6\u7684\u70b9\u51fb\u533a\u57df\u7684\uff08\u70b9\u51fb\u201c\u6807\u7b7e\u201d\u4e8c\u5b57\uff0c\u6587\u672c\u6846\u5373focus\uff09\u3002
\n\"demo\u9875\u9762\u7684\u6548\u679c\u622a\u56fe<\/p>\n
\u4e8c\u3001HTML5\u4e0eHTML 4.01 label\u7684\u4e0d\u540c<\/h3>\n
\u5176\u5b9e\uff0c\u4e0a\u9762\u63d0\u53ca\u7684\u51e0\u4e2a\u65b9\u6cd5\u5e76\u4e0d\u662fHTML5\u4e2d\u7684\u65b0\u751f\u4e8b\u7269\uff0c\u65e9\u5728HTML4.0<\/a>\u7684\u65f6\u5019\uff0c\u8ddf\u4e0a\u9762\u4e00\u6a21\u4e00\u6837\u7684\u4e1c\u4e1c\u5c31\u51fa\u73b0\u6ef4\u8bf4\u3002\u4e0d\u8fc7\u5176\u4e2d\u6709\u4e2a\u4e0d\u4e00\u6837\u7684\u5c31\u662f\uff0c\u5728HTML4\u4e2d\uff0c\u5076\u4eec\u53ef\u4ee5\u7ed9\u63a7\u4ef6\u5143\u7d20\u5206\u914d\u591a\u4e2alabel\u5143\u7d20\u3002\u8fd9\u79cd\u611f\u89c9\u5c31\u50cf\u662f\u53e4\u65f6\u5019\u652f\u6301\u4e00\u592b\u591a\u59bb\u5236\u4e00\u6837\u3002<\/p>\n
\n
More than one  LABEL<\/samp> may be associated with the same control by creating multiple references via the for<\/samp> attribute.<\/p>\n<\/blockquote>\n
\u4e0a\u9762\u539f\u6587\u5f15\u7528\u7684\u4e2d\u6587\u610f\u601d\u662f\uff1a\u53ef\u4ee5\u4f7f\u7528\u8d85\u8fc71\u4e2alabel<\/code>\u901a\u8fc7for\u5c5e\u6027\u5173\u8054\u540c\u4e00\u4e2a\u63a7\u4ef6\u3002<\/p>\n
\u4e0a\u9762\u8fd9\u6bb5\u8bdd\u5728HTML5\u4e2d\u73a9\u8d77\u4e86\u8eb2\u732b\u732b\uff0c\u6ca1\u770b\u5230\u2014\u2014\u6ca1\u6709\u660e\u786e\u5730\u8bf4\u7981\u6b62\u4f7f\u7528\uff0c\u4e5f\u6ca1\u6709\u660e\u6587\u8bf4\u5141\u8bb8\u4f7f\u7528\u3002\u6211\u4eec\u5e94\u5f53\u6ce8\u610f\u5230\uff0c\u65e0\u8bba\u662f\u6d4f\u89c8\u5668\u8fd8\u662f\u8f85\u52a9\u6280\u672f
\n\u90fd\u5bf9\u591alabel<\/code>\u5143\u7d20\u63d0\u4f9b\u4e86\u5f3a\u6709\u529b\u7684\u652f\u6301\u3002<\/p>\n
\u5982\u679c\u60a8\u770b\u5230\u4e0b\u9762\u7684\u6587\u5b57\uff0c\u53ef\u80fd\u662f\u7531\u4e8e\u5728\u5176\u4ed6\u7f51\u7ad9\u6216\u662fRSS\u4e2d\u9605\u8bfb\u672c\u6587\uff0c\u672c\u6587\u539f\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=1809<\/a>\uff0c\u672c\u6587\u4f5c\u8005\uff1a\u5f20\u946b\u65ed<\/a>\uff0c\u6765\u81ea\u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\uff0c\u8bbf\u95ee\u539f\u51fa\u5904\u66f4\u591a\u7cbe\u5f69\u5185\u5bb9\u3002<\/em><\/div>\n
\u4e09\u3001\u5f53\u4e0b\u63a7\u4ef6\u6807\u7b7e\u5316\u5728\u6d4f\u89c8\u5668\u548c\u8f85\u52a9\u6280\u672f\u4e0b\u7684\u53ef\u7528\u6027<\/del>\u53ef\u8bbf\u95ee\u6027\u652f\u6301<\/h3>\n
\u6839\u636eSteve Faulkner(\u9ad8\u7ea7web\u53ef\u7528\u6027<\/del>\u53ef\u8bbf\u95ee\u6027\u987e\u95ee)\u7684\u6d4b\u8bd5<\/a>\uff0c\u4f7f\u7528for<\/code>\u548cid<\/code>\u627e\u5230\u63a7\u4ef6\u5143\u7d20\u7684\u65b9\u6cd5\u8981\u6bd4\u5c06\u63a7\u4ef6\u653e\u5728label<\/code>\u6807\u7b7e\u5185\u7684\u5065\u58ee\u6027\u597d\u5f88\u591a\u3002\u540c\u65f6\u4ed6\u8fd8\u53d1\u73b0\u4f7f\u7528aria-labelledby<\/a><\/code>\u5c5e\u6027\u8de8\u6d4f\u89c8\u5668\u548c\u8f85\u52a9\u6280\u672f\u7684\u5065\u58ee\u6027\u8981\u6bd4\u4f7f\u7528\u6807\u51c6\u7684\u63a7\u4ef6\u5143\u7d20\u653e\u5728label<\/code>\u6807\u7b7e\u4e0b\u7684\u65b9\u6cd5\u5f3a\u3002<\/p>\n
\u5b8c\u6574\u6d4b\u8bd5\u548c\u7ed3\u679c\uff1a\u4e3b\u6d41\u6d4f\u89c8\u5668\u548c\u5c4f\u5e55\u9605\u8bfb\u5668\u63a7\u4ef6\u6807\u7b7e\u5316\u652f\u6301\u6d4b\u8bd5<\/a><\/p>\n
\u4f8b\u5982\uff0c\u5728\u4e3b\u6d41\u6d4f\u89c8\u5668\u5176\u4e0a\u7684\u6d4b\u8bd5\u7ed3\u679c\uff1a
\n\"\u6d4f\u89c8\u5668label\u53ef\u8bbf\u95ee\u6027\u6d4b\u8bd5\u7ed3\u679c\u622a\u56fe<\/p>\n
\u4e0a\u56fe\u4e2d\u6846\u6846\u7684\u7ed3\u679c\u5c31\u663e\u793a\u4e86\u4e0a\u9762\u7684\u4e9b\u7ed3\u8bba\uff1afor<\/code>\u548cid<\/code>\u53ef\u7528\u6027<\/del>\u53ef\u8bbf\u95ee\u6027\u597d\u4e8elabel<\/code>\u6807\u7b7e\u5305\u88f9\uff0c\u975e\u6807\u51c6aria-labelledby<\/a><\/code>\u5c5e\u6027\u5c45\u7136\u6709\u66f4\u597d\u7684\u53ef\u7528\u6027<\/del>\u53ef\u8bbf\u95ee\u6027\u3002<\/p>\n
\u5176\u4f59\u7684\u7ed3\u679c\u4e0e\u6570\u636e\u60a8\u6709\u5174\u8da3\u53ef\u4ee5\u4ed4\u7ec6\u770b\u770b\u6bd4\u5bf9\u3002<\/p>\n
\u5bf9\u4e8e\u6211\u4eec\u524d\u7aef\u800c\u8a00\uff0c\u6ca1\u6709\u5fc5\u8981\u4e86\u89e3\u5f88\u6df1\u5165\uff0c\u8fd9\u91cc\u5c31\u4e0d\u4e00\u4e00\u5206\u6790\u5404\u4e2a\u7ed3\u679c\u3002\u4e0d\u8fc7\uff0c\u4e00\u4e9b\u5efa\u8bae\u6216\u662f\u770b\u6cd5\u8fd8\u662f\u5f88\u503c\u5f97\u5206\u4eab\u4e0b\u7684\u3002<\/p>\n
\u7ed9\u5f00\u53d1\u8005\u7684\u5efa\u8bae<\/strong>
\n\u5728\u6d4f\u89c8\u5668\u4fee\u590d\u4ed6\u4eec\u7684\u4e9b\u53ef\u7528\u6027<\/del>\u53ef\u8bbf\u95ee\u6027\u95ee\u9898\u4e4b\u524d\uff0c\u5982\u679c\u4f60\u5e0c\u671b\u4f60\u7684\u63a7\u4ef6\u53ef\u4ee5\u88ab\u8f85\u52a9\u6280\u672f\u7406\u89e3\uff0c\u5efa\u8bae\u4f7f\u7528for + id<\/code>\u65b9\u6cd5\uff0c\u800c\u4e0d\u8981\u56e0\u4e3a\u61d2\u5f97\u86cb\u75bc\u4e73\u9178\uff0c\u76f4\u63a5\u628a\u63a7\u4ef6\u5143\u7d20\u5957\u5728label<\/code>\u6807\u7b7e\u4e4b\u4e0b\u3002\u4e5f\u4e0d\u8981\u4f7f\u7528\u770b\u4e0a\u53bb\u66f4\u4fdd\u9669\u7684\u201c\u53cc\u7ba1\u9f50\u4e0b\u201d\u7684\u65b9\u6cd5\u3002<\/p>\n
\u7ed9\u6d4f\u89c8\u5668\u548c\u8f85\u52a9\u6280\u672f\u5f00\u53d1\u5546\u5efa\u8bae<\/strong><\/p>\n