$(function(){// 验证正则，直接在input添加属性// 正整数: zsyz="1"；$(document).on("keyup", 'input[zsyz=1]', function () {this.value = this.value.replace(/\D/g, '') // 整数})// 输入整数且可以输入逗号: zsxs="1"$("input[zsxs=1],textarea[zsxs=1]").keyup(function(){this.value=this.value.replace(/[^\r\n0-9\,\，]/g,'');})// 只能输入中文: ch="1"$("input[ch=1],textarea[ch=1]").keyup(function(){this.value=this.value.replace(/[u4E00-u9FA5]/g,'');        })// 仅限15个英文、数字、字符: yw="1"$(document).on("keyup", "input[yw=1]", function () {this.value = this.value.replace(/[^\w\.\/]/ig, '')})//仅限15个英文、数字、字符和@: yw="2"$(document).on("keyup", "input[yw=2]", function () {this.value = this.value.replace(/[^\w\.\@\/]/ig, '')})//仅能输入数字: num="1"$(document).on("keyup", "input[num=1]", function () {this.value = this.value.replace(/[^\d]/g, '')})//仅限英文: en="1"$(document).on("keyup", "input[en=1]", function (event) {this.value = this.value.replace(/[^a-zA-Z]+/g, '');})//仅限英文,数字: ennum="1"$(document).on("keyup", "input[ennum=1]", function (event) {//this.value = this.value.replace(/[^\w\.\/]/ig,'');this.value = this.value.replace(/[^\d|a-zA-Z]/g,'');})// 保留小数点2位,不四舍五入: decimal="1"function decimal(obj) {obj.value = obj.value.replace(/[^\d.]/g, '');//清楚数字和.以外的字数obj.value = obj.value.replace(/^\./g, "");obj.value = obj.value.replace(/\.{2,}/g, '');//保留第一个，清楚多余的//obj.value = obj.value.replace(".");obj.value = obj.value.replace(/^(\-)*(\d+)\.(\d\d).*$/, '$1$2.$3');}$(document).on("keyup", "input[decimal=1]", function (event) {decimal(this)})// 将数字保留小数点后N位,不四舍五入//num => 即将要被截取的数字,dot_behind => 保留小数点后的位数function subNum(num,dot_behind){        num=parseFloat(num);var dot_behind_wz=dot_behind+1;var num1=num.toString(10);var start_wz=num1.lastIndexOf('.');if(start_wz==-1){// 没有小数点return parseFloat(num);}var num2=num1.substring(0,start_wz+dot_behind_wz);var num3=parseFloat(num2);num3=num3.toFixed(dot_behind);num3=parseFloat(num3);return num3;}//保留N位小数，无四舍五入， 添加属性 xsd_data="n"function xsdN( dom , ws){var num = dom.val();ws = parseInt(ws);var start_wz = num.indexOf(".");if( start_wz!=-1){  //当存在小数点时，做切割if(start_wz !=num.length-1){var tmp = start_wz+ws+1;var num1= num.substring(0,tmp);var num2 = parseFloat(num1);dom.val(num2);}}else{ //当不存在小数点时，不允许输入数字，小数点外的字符num = parseFloat(num);if(num){dom.val(num);}else{ //num==NaN的时候if(num==0){dom.val("0");}else{dom.val("");}}}}//保留2 位$(document).on("keyup","input[xsd_data=2]",function(){xsdN( $(this),$(this).attr("xsd_data"));})//保留3 位$(document).on("keyup","input[xsd_data=3]",function(){xsdN( $(this),$(this).attr("xsd_data"));})//保留4 位$(document).on("keyup","input[xsd_data=4]",function(){xsdN( $(this),$(this).attr("xsd_data"));})//小数点2位保留位function xsdyz(obj) {obj.value = obj.value.replace(/[^\d.]/g, '');//清楚数字和.以外的字数obj.value = obj.value.replace(/^\./g, "");obj.value = obj.value.replace(/\.{2,}/g, '');//保留第一个，清楚多余的//obj.value = obj.value.replace(".");obj.value = obj.value.replace(/^(\-)*(\d+)\.(\d\d).*$/, '$1$2.$3');}$(document).on("keyup", "input[xsdyz=1],textarea[xsdyz=1]", function (event) {xsdyz(this);})//浮点数 2位小数(可以为负数)function fds(obj) {obj.value = obj.value.replace(/[^\d.-]/g, '');//清楚数字和.以外的字数obj.value = obj.value.replace(/^\./g, "");obj.value = obj.value.replace(/^-\./g, "");obj.value = obj.value.replace(/\.{2,}/g, '');//保留第一个，清楚多余的obj.value = obj.value.replace(/\-{2,}/g, '');//保留第一个，清楚多余的obj.value = obj.value.replace(/^(\-)*(\d+)\.(\d\d).*$/, '$1$2.$3');}$(document).on("keyup", "input[fds=1],textarea[fds=1]", function (event) {fds(this);})$("input[xsdyz=1],textarea[xsdyz=1]").bind("keypress", function (event) {$(this).css("ime-mode", "disabled");var event = event || window.event;var this_val = $(this).val();//clearNum(this)//控制第一个不能输入小数if (this_val.length == 0 && event.which == 46) {event.preventDefault();return;}//只能输入一个小数点if (this_val.indexOf('.') != -1 && event.which == 46) {event.preventDefault();return;}//禁止除了数字以外输入if (event.which && (event.which < 48 || event.which > 57 ) && event.which != 8 && event.which != 46) {event.preventDefault();return;}})
})