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							- $(function(){
 
-     //datatables基本设置
 
-     $.extend( $.fn.dataTable.defaults, {
 
-         paging: false,
 
-         ordering: false,
 
-         searching: false,
 
-         info: false,
 
-         scrollX: true,
 
-         scrollY: '500px',
 
-         scrollCollapse: true,
 
-         language: {
 
-             emptyTable: " ",
 
-             zeroRecords:" "
 
-         }
 
-     } );
 
- });
 
- function RegNum(obj,e,decimal)
 
- {
 
-     var pos = obj.selectionEnd;
 
-     var event = e || window.event;
 
-     var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
 
-     if(keyCode != 37 && keyCode != 39){
 
-         if (decimal != 0) {
 
-             //先把非数字的都替换掉,除了数字和.
 
-             obj.value = obj.value.replace(/[^\d.-]/g,"");
 
-             //保证第一个数字为0后,第二个数字不能为0
 
-             obj.value = obj.value !== '0' ? obj.value.replace(/^0+/,'').replace(/^\./,"0.") : obj.value;
 
-             //保证-0后不能再接0
 
-             obj.value = obj.value.replace(/^\-0+/g,"-0");
 
-             //保证只有出现一个.而没有多个.
 
-             obj.value = obj.value.replace(/\.{2,}/g,".");
 
-             //必须保证第一个为数字而不是.
 
-             obj.value = obj.value.replace(/^\./g,"");
 
-             //保证.只出现一次,而不能出现两次以上
 
-             obj.value = obj.value.replace(".","$#$").replace(/\./g,"").replace("$#$",".");
 
-             //保证-只能出现一次,且必须在第一位
 
-             obj.value = parseFloat(obj.value) > 0 ? obj.value.replace(/\-/g,"") : obj.value.replace("-","$#$").replace(/\-/g,"").replace("$#$","-");
 
-             //只能输入deciaml 位小数
 
-             var reg = new RegExp("^(\\-)*(\\d+)\\.(\\d{1,"+decimal+"}).*$");
 
-             obj.value = obj.value.replace(reg,'$1$2.$3');
 
-         } else {
 
-             //先把非数字的都替换掉,除了数字和.
 
-             obj.value = obj.value.replace(/[^\d-]/g,"");
 
-             //保证第一个数字为0后,第二个数字不能为0
 
-             obj.value = obj.value !== '0' ? obj.value.replace(/^0+/,'') : obj.value;
 
-             //保证-0后不能再接0
 
-             obj.value = obj.value.replace(/^\-0+/g,"-0");
 
-             //保证-只能出现一次,且必须在第一位
 
-             obj.value = parseFloat(obj.value) > 0 ? obj.value.replace(/\-/g,"") : obj.value.replace("-","$#$").replace(/\-/g,"").replace("$#$","-");
 
-         }
 
-     }
 
-     obj.setSelectionRange(pos,pos);
 
- }
 
 
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