jquery复选框赋值多选赋值给文本框

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<!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</title><base target="_blank" /><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><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><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="赵五" value="3" />赵五<input type="checkbox" name="keleyi" data-type="checkbox" data-value="王六" value="4" />王六</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>
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