体验效果：http://keleyi.com/keleyi/phtml/jqtexiao/31.htm
代码如下：
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>jquery点击复选框触发事件给input赋值-柯乐义</title><base target="_blank" /> <style type="text/css"> * { margin: 0; padding: 0; list-style-type: none; } a, img { border: 0; text-decoration: none; } body { font: 12px/180% Arial, Helvetica, sans-serif, "新宋体"; } table { empty-cells: show; border-collapse: collapse; border-spacing: 0; } /* tablist */ .tablist { width: 400px; border: solid 8px #ddd; margin: 40px auto; } .tablist td { line-height: 24px; border-bottom: solid 1px #ddd; text-align: left; padding: 10px; } .tablist td input { line-height: 20px; margin-left: 5px; } .tablist td .txtValue { padding: 3px 0; width: 180px; } </style> </head> <body> <div><a href="http://keleyi.com">首页</a> <a href="http://keleyi.com/a/bjae/du3d362n.htm">原文</a> <a href="http://keleyi.com/keleyi/phtml/">特效</a> <a href="http://keleyi.com/jq/hovertree/">HoverTree</a></div> <table cellpadding="0" cellspacing="0" class="tablist"> <tr> <td><input class="txtValue" type="text" name="keleyi" value="" /> <input type="checkbox" data-type="checkall" />全选</td> </tr> <tr> <td> <input type="checkbox" name="keleyi" data-type="checkbox" data-value="张三" value="1" />张三 <input type="checkbox" name="keleyi" data-type="checkbox" data-value="李四" value="2" />李四 <input type="checkbox" name="keleyi" data-type="checkbox" data-value="柯乐义" value="3" />柯乐义 <input type="checkbox" name="keleyi" data-type="checkbox" data-value="赵六" value="4" />赵六 </td> </tr> </table> <script type="text/javascript" src="http://keleyi.com/keleyi/pmedia/jquery/jquery-1.11.2.min.js"></script> <script type="text/javascript"> $(function(){ $('[data-type="checkbox"]').click(function(){ var data_value = $(this).attr('data-value'), txtalso = $.trim($(".txtValue").val()); if($(this).prop("checked")) { if(txtalso.length > 0) { if(txtalso.indexOf(data_value+',') != -1) { return ; } else { txtalso += data_value + ','; } } else { txtalso = data_value+','; } } else { if(txtalso.indexOf(data_value+',') != -1) { txtalso = txtalso.replace(data_value+',', ''); } } $(".txtValue").val(txtalso); }); $('[data-type="checkall"]').click(function(){ var str = ''; if($(this).prop("checked")) { $.each($('[data-type="checkbox"]'), function(i){ str += $(this).attr('data-value') + ','; }); $('[data-type="checkbox"]').prop('checked', true); } else { $('[data-type="checkbox"]').prop('checked', false); } $(".txtValue").val(str); }); }); </script> </body> </html>