{"id":452,"date":"2017-07-26T09:42:25","date_gmt":"2017-07-26T09:42:25","guid":{"rendered":"http:\/\/www.nywzjs.com\/?p=452"},"modified":"2017-07-26T09:54:36","modified_gmt":"2017-07-26T09:54:36","slug":"jquery%e6%93%8d%e4%bd%9cselect%e5%a2%9e%e5%8a%a0%ef%bc%8c%e5%88%a0%e9%99%a4%ef%bc%8c%e6%b8%85%e7%a9%ba","status":"publish","type":"post","link":"http:\/\/www.nywzjs.com\/?p=452","title":{"rendered":"jquery\u64cd\u4f5cselect(\u589e\u52a0\uff0c\u5220\u9664\uff0c\u6e05\u7a7a)"},"content":{"rendered":"<p><span class=\"pln\">jQuery<span class=\"pun\">\u83b7\u53d6<span class=\"typ\">Select\u9009\u62e9\u7684Text\u548cValue:\u00a0<\/span><\/span><\/span><\/p>\n<div class=\"cnblogs_code\">\n<blockquote>\n<pre>$(\"#select_id\").change(function(){\/\/code...}); \/\/\u4e3aSelect\u6dfb\u52a0\u4e8b\u4ef6\uff0c\u5f53\u9009\u62e9\u5176\u4e2d\u4e00\u9879\u65f6\u89e6\u53d1\r\nvar checkText=$(\"#select_id\").find(\"option:selected\").text(); \/\/\u83b7\u53d6Select\u9009\u62e9\u7684text\r\nvar checkValue=$(\"#select_id\").val(); \/\/\u83b7\u53d6Select\u9009\u62e9\u7684Value\r\nvar checkIndex=$(\"#select_id \").get(0).selectedIndex; \/\/\u83b7\u53d6Select\u9009\u62e9\u7684\u7d22\u5f15\u503c\r\nvar maxIndex=$(\"#select_id option:last\").attr(\"index\"); \/\/\u83b7\u53d6Select\u6700\u5927\u7684\u7d22\u5f15\u503c<\/pre>\n<\/blockquote>\n<div class=\"cnblogs_code_toolbar\">jQuery\u6dfb\u52a0\/\u5220\u9664Select\u7684Option\u9879\uff1a<span class=\"com\">\u00a0<\/span><\/div>\n<\/div>\n<div class=\"cnblogs_code\">\n<div class=\"cnblogs_code_toolbar\"><\/div>\n<blockquote>\n<pre>$(\"#select_id\").append(\"&lt;option value='Value'&gt;Text&lt;\/option&gt;\"); \/\/\u4e3aSelect\u8ffd\u52a0\u4e00\u4e2aOption(\u4e0b\u62c9\u9879)\r\n$(\"#select_id\").prepend(\"&lt;option value='0'&gt;\u8bf7\u9009\u62e9&lt;\/option&gt;\"); \/\/\u4e3aSelect\u63d2\u5165\u4e00\u4e2aOption(\u7b2c\u4e00\u4e2a\u4f4d\u7f6e)\r\n$(\"#select_id option:last\").remove(); \/\/\u5220\u9664Select\u4e2d\u7d22\u5f15\u503c\u6700\u5927Option(\u6700\u540e\u4e00\u4e2a)\r\n$(\"#select_id option[index='0']\").remove(); \/\/\u5220\u9664Select\u4e2d\u7d22\u5f15\u503c\u4e3a0\u7684Option(\u7b2c\u4e00\u4e2a)\r\n$(\"#select_id option[value='3']\").remove(); \/\/\u5220\u9664Select\u4e2dValue='3'\u7684Optiona\r\n$(\"#select_id option[text='4']\").remove(); \/\/\u5220\u9664Select\u4e2dText='4'\u7684Optiona<\/pre>\n<\/blockquote>\n<div class=\"cnblogs_code_toolbar\">\u5185\u5bb9\u6e05\u7a7a\uff1a<\/div>\n<\/div>\n<div class=\"cnblogs_code\">\n<blockquote>\n<pre>$(\"#charCity\").empty();<\/pre>\n<\/blockquote>\n<\/div>\n<p>\u6bcf\u4e00\u6b21\u64cd\u4f5cselect\u7684\u65f6\u5019\uff0c\u603b\u662f\u8981\u51fa\u6765\u7ffb\u4e00\u4e0b\u8d44\u6599\uff0c\u4e0d\u5982\u81ea\u5df1\u603b\u7ed3\u4e00\u4e0b\uff0c\u4ee5\u540e\u5c31\u7ffb\u8fd9\u91cc\u4e86\u3002<\/p>\n<p>\u6bd4\u5982&lt;select class=\"selector\"&gt;&lt;\/select&gt;<\/p>\n<p>1\u3001\u8bbe\u7f6evalue\u4e3apxx\u7684\u9879\u9009\u4e2d<\/p>\n<div class=\"cnblogs_code\">\n<blockquote>\n<pre>$(\".selector\").val(\"pxx\");<\/pre>\n<\/blockquote>\n<\/div>\n<p>2\u3001\u8bbe\u7f6etext\u4e3apxx\u7684\u9879\u9009\u4e2d<\/p>\n<div class=\"cnblogs_code\">\n<blockquote>\n<pre>$(\".selector\").find(\"option[text='pxx']\").attr(\"selected\",true);<\/pre>\n<\/blockquote>\n<\/div>\n<p>\u8fd9\u91cc\u6709\u4e00\u4e2a\u4e2d\u62ec\u53f7\u7684\u7528\u6cd5\uff0c\u4e2d\u62ec\u53f7\u91cc\u7684\u7b49\u53f7\u7684\u524d\u9762\u662f\u5c5e\u6027\u540d\u79f0\uff0c\u4e0d\u7528\u52a0\u5f15\u53f7\u3002\u5f88\u591a\u65f6\u5019\uff0c\u4e2d\u62ec\u53f7\u7684\u8fd0\u7528\u53ef\u4ee5\u4f7f\u5f97\u903b\u8f91\u53d8\u5f97\u5f88\u7b80\u5355\u3002<\/p>\n<p>3\u3001\u83b7\u53d6\u5f53\u524d\u9009\u4e2d\u9879\u7684value<\/p>\n<div class=\"cnblogs_code\">\n<blockquote>\n<pre>$(\".selector\").val();<\/pre>\n<\/blockquote>\n<\/div>\n<p>4\u3001\u83b7\u53d6\u5f53\u524d\u9009\u4e2d\u9879\u7684text<\/p>\n<div class=\"cnblogs_code\">\n<pre>$(\".selector\").find(\"option:selected\").text();<\/pre>\n<\/div>\n<p>\u8fd9\u91cc\u7528\u5230\u4e86\u5192\u53f7\uff0c\u638c\u63e1\u5b83\u7684\u7528\u6cd5\u5e76\u4e3e\u4e00\u53cd\u4e09\u4e5f\u4f1a\u8ba9\u4ee3\u7801\u53d8\u5f97\u7b80\u6d01\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u5f88\u591a\u65f6\u5019\u7528\u5230select\u7684\u7ea7\u8054\uff0c\u5373\u7b2c\u4e8c\u4e2aselect\u7684\u503c\u968f\u7740\u7b2c\u4e00\u4e2aselect\u9009\u4e2d\u7684\u503c\u53d8\u5316\u3002\u8fd9\u5728jquery\u4e2d\u662f\u975e\u5e38\u7b80\u5355\u7684\u3002<\/p>\n<p>\u5982\uff1a<\/p>\n<div class=\"cnblogs_code\">\n<div class=\"cnblogs_code_toolbar\"><\/div>\n<pre>$(\".selector1\").change(function(){\r\n     \/\/ \u5148\u6e05\u7a7a\u7b2c\u4e8c\u4e2a\r\n      $(\".selector2\").empty();\r\n     \/\/ \u5b9e\u9645\u7684\u5e94\u7528\u4e2d\uff0c\u8fd9\u91cc\u7684option\u4e00\u822c\u90fd\u662f\u7528\u5faa\u73af\u751f\u6210\u591a\u4e2a\u4e86\r\n      var option = $(\"&lt;option&gt;\").val(1).text(\"pxx\");\r\n      $(\".selector2\").append(option);\r\n});<\/pre>\n<div class=\"cnblogs_code_toolbar\"><\/div>\n<\/div>\n<p>jQuery\u83b7\u53d6Select\u9009\u62e9\u7684Text\u548cValue:<br \/>\n\u8bed\u6cd5\u89e3\u91ca\uff1a<\/p>\n<div class=\"cnblogs_code\">\n<pre>$(\"#select_id\").change(function(){\/\/code...});   \/\/\u4e3aSelect\u6dfb\u52a0\u4e8b\u4ef6\uff0c\u5f53\u9009\u62e9\u5176\u4e2d\u4e00\u9879\u65f6\u89e6\u53d1\r\nvar checkText=$(\"#select_id\").find(\"option:selected\").text();  \/\/\u83b7\u53d6Select\u9009\u62e9\u7684Text\r\nvar checkValue=$(\"#select_id\").val();  \/\/\u83b7\u53d6Select\u9009\u62e9\u7684Value\r\nvar checkIndex=$(\"#select_id \").get(0).selectedIndex;  \/\/\u83b7\u53d6Select\u9009\u62e9\u7684\u7d22\u5f15\u503c\r\nvar maxIndex=$(\"#select_id option:last\").attr(\"index\");  \/\/\u83b7\u53d6Select\u6700\u5927\u7684\u7d22\u5f15\u503c<\/pre>\n<\/div>\n<p>jQuery\u8bbe\u7f6eSelect\u9009\u62e9\u7684 Text\u548cValue:<br \/>\n\u8bed\u6cd5\u89e3\u91ca\uff1a<\/p>\n<div class=\"cnblogs_code\">\n<pre>$(\"#select_id \").get(0).selectedIndex=1;  \/\/\u8bbe\u7f6eSelect\u7d22\u5f15\u503c\u4e3a1\u7684\u9879\u9009\u4e2d\r\n$(\"#select_id \").val(4);   \/\/ \u8bbe\u7f6eSelect\u7684Value\u503c\u4e3a4\u7684\u9879\u9009\u4e2d\r\n$(\"#select_id option[text='jQuery']\").attr(\"selected\", true);   \/\/\u8bbe\u7f6eSelect\u7684Text\u503c\u4e3ajQuery\u7684\u9879\u9009\u4e2d<\/pre>\n<\/div>\n<p>&nbsp;<\/p>\n<p>jQuery\u6dfb\u52a0\/\u5220\u9664Select\u7684Option\u9879\uff1a<br \/>\n\u8bed\u6cd5\u89e3\u91ca\uff1a<\/p>\n<div class=\"cnblogs_code\">\n<pre>$(\"#select_id\").append(\"&lt;option value='Value'&gt;Text&lt;\/option&gt;\");  \/\/\u4e3aSelect\u8ffd\u52a0\u4e00\u4e2aOption(\u4e0b\u62c9\u9879)\r\n$(\"#select_id\").prepend(\"&lt;option value='0'&gt;\u8bf7\u9009\u62e9&lt;\/option&gt;\");  \/\/\u4e3aSelect\u63d2\u5165\u4e00\u4e2aOption(\u7b2c\u4e00\u4e2a\u4f4d\u7f6e)\r\n$(\"#select_id option:last\").remove();  \/\/\u5220\u9664Select\u4e2d\u7d22\u5f15\u503c\u6700\u5927Option(\u6700\u540e\u4e00\u4e2a)\r\n$(\"#select_id option[index='0']\").remove();  \/\/\u5220\u9664Select\u4e2d\u7d22\u5f15\u503c\u4e3a0\u7684Option(\u7b2c\u4e00\u4e2a)\r\n$(\"#select_id option[value='3']\").remove();  \/\/\u5220\u9664Select\u4e2dValue='3'\u7684Option\r\n$(\"#select_id option[text='4']\").remove();  \/\/\u5220\u9664Select\u4e2dText='4'\u7684Option<\/pre>\n<\/div>\n<p><strong>jquery radio\u53d6\u503c\uff0ccheckbox\u53d6\u503c\uff0cselect\u53d6\u503c\uff0cradio\u9009\u4e2d\uff0ccheckbox\u9009\u4e2d\uff0cselect\u9009\u4e2d\uff0c\u53ca\u5176\u76f8\u5173\u00a0<\/strong><br \/>\n\u83b7 \u53d6\u4e00\u7ec4radio\u88ab\u9009\u4e2d\u9879\u7684\u503c<br \/>\nvar item = $('input[name=items][checked]').val();<br \/>\n\u83b7 \u53d6select\u88ab\u9009\u4e2d\u9879\u7684\u6587\u672c<br \/>\nvar item = $(\"select[name=items] option[selected]\").text();<br \/>\nselect\u4e0b\u62c9\u6846\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\u4e3a\u5f53\u524d\u9009\u4e2d\u503c<br \/>\n$('#select_id')[0].selectedIndex = 1;<br \/>\nradio\u5355\u9009\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\u4e3a\u5f53\u524d\u9009\u4e2d\u503c<br \/>\n$('input[name=items]').get(1).checked = true;<br \/>\n\u83b7\u53d6\u503c\uff1a<br \/>\n\u6587\u672c\u6846\uff0c\u6587\u672c\u533a\u57df\uff1a$(\"#txt\").attr(\"value\")\uff1b<br \/>\n\u591a\u9009\u6846 checkbox\uff1a$(\"#checkbox_id\").attr(\"value\")\uff1b<br \/>\n\u5355\u9009\u7ec4radio\uff1a\u00a0\u00a0 $(\"input[type=radio][checked]\").val();<br \/>\n\u4e0b\u62c9\u6846select\uff1a $('#sel').val();<br \/>\n\u63a7\u5236\u8868\u5355\u5143\u7d20\uff1a<br \/>\n\u6587\u672c\u6846\uff0c\u6587\u672c\u533a\u57df\uff1a$(\"#txt\").attr(\"value\",'');\/\/\u6e05\u7a7a\u5185\u5bb9<br \/>\n$(\"#txt\").attr(\"value\",'11');\/\/\u586b\u5145\u5185\u5bb9<br \/>\n\u591a\u9009\u6846checkbox\uff1a $(\"#chk1\").attr(\"checked\",'');\/\/\u4e0d\u6253\u52fe<br \/>\n$(\"#chk2\").attr(\"checked\",true);\/\/\u6253\u52fe<br \/>\nif($(\"#chk1\").attr('checked')==undefined) \/\/\u5224\u65ad\u662f\u5426\u5df2\u7ecf\u6253\u52fe<br \/>\n\u5355\u9009\u7ec4 radio\uff1a\u00a0\u00a0\u00a0 $(\"input[type=radio]\").attr(\"checked\",'2');\/\/\u8bbe\u7f6evalue=2\u7684\u9879\u76ee\u4e3a\u5f53\u524d\u9009\u4e2d\u9879<br \/>\n\u4e0b\u62c9\u6846 select\uff1a\u00a0\u00a0 $(\"#sel\").attr(\"value\",'-sel3');\/\/\u8bbe\u7f6evalue=-sel3\u7684\u9879\u76ee\u4e3a\u5f53\u524d\u9009\u4e2d\u9879<br \/>\n$(\"&lt;option value='1'&gt;1111&lt;\/option&gt;&lt;option value='2'&gt;2222&lt;\/option&gt;\").appendTo(\"#sel\")\/\/\u6dfb\u52a0\u4e0b\u62c9\u6846\u7684option<br \/>\n$(\"#sel\").empty()\uff1b\/\/\u6e05\u7a7a\u4e0b\u62c9\u6846<\/p>\n<p>&nbsp;<\/p>\n<p>\u539f\u6587\u94fe\u63a5\uff1ahttp:\/\/www.cnblogs.com\/Luouy\/p\/5806833.html<\/p>\n","protected":false},"excerpt":{"rendered":"<p>jQuery\u83b7\u53d6Select\u9009\u62e9\u7684Text\u548cValue:\u00a0 $(&#8220;#select_id&#8221;).change(fu [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[49],"_links":{"self":[{"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/posts\/452"}],"collection":[{"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=452"}],"version-history":[{"count":0,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/posts\/452\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=452"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}