标签：mon wrap put blur == amp elf for func
HTML页面代码示例:
<div class="wrap"> <input type="text" id="bankCard" placeholder="输入银行卡号"></div> <div class="wrap"> <input type="text" id="moneyNum" placeholder="输入金额"></div> $("#bankCard").on("keyup", formatBC); function formatBC(e){ $(this).attr("data-oral", $(this).val().replace(/\ +/g,"")); //$("#bankCard").attr("data-oral")获取未格式化的卡号 var self = $.trim(e.target.value); var temp = this.value.replace(/\D/g, ‘‘).replace(/(....)(?=.)/g, ‘$1 ‘); if(self.length > 22){ this.value = self.substr(0, 22); return this.value; } if(temp != this.value){ this.value = temp; } } $("#moneyNum").on("keyup", formatMN); $("#moneyNum").on({ focus: function(){ $(this).attr("data-fmt",$(this).val()); //将当前值存入自定义属性 }, blur: function(){ var oldVal=$(this).attr("data-fmt"); //获取原值 var newVal=$(this).val(); //获取当前值 if (oldVal!=newVal) { if(newVal == "" || isNaN(newVal)){ this.value = ""; return this.value; } var s = this.value; var temp; if(/.+(\..*\.|\-).*/.test(s)){ return; } s = parseFloat((s + "").replace(/[^\d\.\-]/g, "")).toFixed(2) + ""; var l = s.split(".")[0].split("").reverse(), r = s.split(".")[1]; t = ""; for(i = 0; i < l.length; i ++ ) { t += l[i] + ((i + 1) % 3 == 0 && (i + 1) != l.length && (l[i+1]!=‘-‘)? "," : ""); } temp = t.split("").reverse().join("") + "." + r; this.value = temp; return this.value; } } }); function formatMN(e){ this.value = this.value.replace(/[^\d\.\-]/g,""); $(this).attr("data-oral", parseFloat(e.target.value.replace(/[^\d\.-]/g, ""))); //$("#moneyNum").attr("data-oral")获取未格式化的金额 }标签：mon wrap put blur == amp elf for func
原文地址：http://www.cnblogs.com/codeZhen/p/7243721.html
