{"id":283,"date":"2013-01-13T23:13:39","date_gmt":"2013-01-13T15:13:39","guid":{"rendered":"http:\/\/lg.yusemo.com\/?p=283"},"modified":"2013-01-13T23:20:10","modified_gmt":"2013-01-13T15:20:10","slug":"jquery-summary","status":"publish","type":"post","link":"https:\/\/lg.yusemo.com\/?p=283","title":{"rendered":"jquery\u5e38\u7528\u53d6\u503c\u65b9\u5f0f\u603b\u7ed3"},"content":{"rendered":"

jquery\u5e38\u7528\u53d6\u503c\u65b9\u5f0f\u603b\u7ed3<\/a><\/h2>\n
jquery radio\u53d6\u503c\uff0ccheckbox\u53d6\u503c\uff0cselect\u53d6\u503c\uff0cradio\u9009\u4e2d\uff0ccheckbox\u9009\u4e2d\uff0cselect\u9009\u4e2d\uff0c\u53ca\u5176\u76f8\u5173
\n\u83b7\u53d6\u4e00\u7ec4radio\u88ab\u9009\u4e2d\u9879\u7684\u503c
\nvar item = $(‘input[@name=items][@checked]’).val();
\n\u83b7\u53d6select\u88ab\u9009\u4e2d\u9879\u7684\u6587\u672c
\nvar item = $(“select[@name=items] option[@selected]”).text();
\nselect\u4e0b\u62c9\u6846\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\u4e3a\u5f53\u524d\u9009\u4e2d\u503c
\n$(‘#select_id’)[0].selectedIndex = 1;
\nradio\u5355\u9009\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\u4e3a\u5f53\u524d\u9009\u4e2d\u503c
\n$(‘input[@name=items]’).get(1).checked = true;
\n\u83b7\u53d6\u503c\uff1a
\n\u6587\u672c\u6846\uff0c\u6587\u672c\u533a\u57df\uff1a$(“#txt”).attr(“value”)\uff1b
\n\u591a\u9009\u6846checkbox\uff1a$(“#checkbox_id”).attr(“value”)\uff1b
\n\u5355\u9009\u7ec4radio\uff1a\u00a0\u00a0 $(“input[@type=radio][@checked]”).val();
\n\u4e0b\u62c9\u6846select\uff1a $(‘#sel’).val();
\n\u63a7\u5236\u8868\u5355\u5143\u7d20\uff1a
\n\u6587\u672c\u6846\uff0c\u6587\u672c\u533a\u57df\uff1a$(“#txt”).attr(“value”,”);\/\/\u6e05\u7a7a\u5185\u5bb9
\n$(“#txt”).attr(“value”,’11’);\/\/\u586b\u5145\u5185\u5bb9
\n\u591a\u9009\u6846checkbox\uff1a $(“#chk1”).attr(“checked”,”);\/\/\u4e0d\u6253\u52fe
\n$(“#chk2”).attr(“checked”,true);\/\/\u6253\u52fe
\nif($(“#chk1”).attr(‘checked’)==undefined) \/\/\u5224\u65ad\u662f\u5426\u5df2\u7ecf\u6253\u52fe
\n\u5355\u9009\u7ec4radio\uff1a\u00a0\u00a0\u00a0 $(“input[@type=radio]”).attr(“checked”,’2′);\/\/\u8bbe\u7f6evalue=2\u7684\u9879\u76ee\u4e3a\u5f53\u524d\u9009\u4e2d\u9879
\n\u4e0b\u62c9\u6846select\uff1a\u00a0\u00a0 $(“#sel”).attr(“value”,’-sel3′);\/\/\u8bbe\u7f6evalue=-sel3\u7684\u9879\u76ee\u4e3a\u5f53\u524d\u9009\u4e2d\u9879
\n$(“<option value=’1′>1111<\/option>
\n\/\/\u6dfb\u52a0\u4e0b\u62c9\u6846\u7684option
\n<option value=’2′>2222<\/option>”).appendTo(“#sel”)
\n$(“#sel”).empty()\uff1b\/\/\u6e05\u7a7a\u4e0b\u62c9\u68461.\u53d6\u4e0b\u62c9\u83dc\u5355\u9009\u4e2d\u9879\u7684\u6587\u672c
\n[code lang=”js”]
\n$("#select option[selected]").text();\/\/select\u548coption\u4e4b\u95f4\u6709\u7a7a\u683c\uff0coption\u4e3aselect\u7684\u5b50\u5143\u7d20
\n$("#select option:selected").text();\/\/\u5982\u679c\u5199\u6210$("#select").text();\u4f1a\u628a\u6240\u6709\u4e0b\u62c9\u83dc\u5355\u7684\u6587\u672c\u9009\u62e9\u51fa\u6765
\n[\/code]<\/p>\n

2.\u83b7\u53d6\u548c\u8bbe\u7f6e\u4e0b\u62c9\u83dc\u5355\u7684\u503c<\/p>\n

[code lang=”js”]
\n$("#select").val();\/\/\u53d6\u503c
\n$("#select").val("value");\/\/\u8bbe\u7f6e,\u5982\u679cselect\u4e2d\u6709\u503c\u4e3avalue\u7684\u9009\u9879,\u8be5\u9009\u9879\u5c31\u4f1a\u88ab\u9009\u4e2d,\u5982\u679c\u4e0d\u5b58\u5728,\u5219select\u4e0d\u505a\u4efb\u4f55\u53d8\u52a8[\/code]<\/p>\n

3.\u6e05\u7a7a\u4e0b\u62c9\u83dc\u5355<\/p>\n

[code lang=”js”]<\/
\n$("#select").empty();
\n$("#select").html("");[\/code]<\/p>\n

4.\u7ed9\u4e0b\u5217\u83dc\u5355\u6dfb\u52a0\u5143\u7d20<\/p>\n

[code lang=”js”]
\n$(‘<option value="1">1<\/option>’).appendTo($("#select"));
\n$("#select").append(‘<option value="1">1<\/option>’)[\/code]<\/p>\n

5.\u53d6\u5355\u9009\u6846\u503c
\n$(“#id[checked]”).val();
\n6.\u5355\u9009\u6216\u590d\u9009\u6309\u94ae\u7684\u9009\u62e9<\/p>\n

[code lang=”js”]
\n$("#id[value=val]").attr("checked",true);\/\/\u9009\u62e9
\n$("#id[value=val]").attr("checked","");\/\/\u53d6\u6d88\u9009\u62e9
\n$("#id[value=val]").attr("checked",false);\/\/\u53d6\u6d88\u9009\u62e9
\n$("#id[value=val]").removeAttr("checked");\/\/\u53d6\u6d88\u9009\u62e9<[code]
\n7.\u53d6\u590d\u9009\u6846\u503c<\/div>
\n[code lang="js"]
\n$("input[type=checkbox][checked]").each(function(){
\nalert($(this).val());
\n})
\n\/\/\u5982\u679c\u7528$("input[type=checkbox][checked]").val(),\u53ea\u4f1a\u8fd4\u56de\u7b2c\u4e00\u4e2a\u88ab\u9009\u4e2d\u7684\u503c[code]
\n8.\u5224\u65ad\u5355\u9009\u6216\u590d\u9009\u6846\u662f\u5426\u88ab\u9009\u4e2d[code lang="js"]
\nif($("#id").attr("checked")){}\/\/\u5224\u65ad\u9009\u4e2d
\nif($("#id").attr("checked")==true){}\/\/\u5224\u65ad\u9009\u4e2d
\nif($("#id").attr("checked")==undefined){}\/\/\u5224\u65ad\u672a\u9009\u4e2d
\n[\/code]<\/p>\n

9.\u5143\u7d20\u53ef\u7528\u4e0d\u53ef\u7528
\n[code lang=”js”]
\n$("#id").attr("disabled",false);\/\/\u8bbe\u4e3a\u53ef\u7528
\n$("#id").attr("disabled",true);\/\/\u8bbe\u4e3a\u4e0d\u53ef\u7528
\n[\/code]
\n10.\u5224\u65ad\u5143\u7d20\u53ef\u7528\u4e0d\u53ef\u7528
\n[code lang=”js”]
\nif($("#id").attr("disabled")){}\/\/\u5224\u65ad\u4e0d\u53ef\u7528
\nif($("#id").attr("disabled")==undefined){}\/\/\u5224\u65ad\u53ef\u7528
\n[\/code]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

jquery\u5e38\u7528\u53d6\u503c\u65b9\u5f0f\u603b\u7ed3 jquery radio\u53d6\u503c\uff0ccheckbox\u53d6\u503c\uff0cselect\u53d6\u503c\uff0cradio\u9009\u4e2d\uff0ccheckbox\u9009\u4e2d\uff0cselect\u9009\u4e2d\uff0c\u53ca\u5176\u76f8\u5173 \u83b7\u53d6\u4e00\u7ec4radio\u88ab\u9009\u4e2d\u9879\u7684\u503c var item = $(‘input[@name=items][@checked]&#8…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=\/wp\/v2\/posts\/283"}],"collection":[{"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=283"}],"version-history":[{"count":7,"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=\/wp\/v2\/posts\/283\/revisions"}],"predecessor-version":[{"id":287,"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=\/wp\/v2\/posts\/283\/revisions\/287"}],"wp:attachment":[{"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}