<%@include file="/WEB-INF/jsp/common/common.jsp" %> <title>价格录入限定</title> <script type="text/javascript"> /** * 实时动态强制更改用户录入 * arg1 inputObject **/ function amount(th) { var regStrs = [ [ ‘^0(\\d+)$‘, ‘$1‘ ], //禁止录入整数部分两位以上,但首位为0 [ ‘[^\\d\\.]+$‘, ‘‘ ], //禁止录入任何非数字和点 [ ‘\\.(\\d?)\\.+‘, ‘.$1‘ ], //禁止录入两个以上的点 [ ‘^(\\d+\\.\\d{2}).+‘, ‘$1‘ ] //禁止录入小数点后两位以上【原来的】 ]; for (i = 0; i < regStrs.length; i++) { var reg = new RegExp(regStrs[i][0]); th.value = th.value.replace(reg, regStrs[i][1]); } } /** * 录入完成后,输入模式失去焦点后对录入进行判断并强制更改,并对小数点进行0补全 * arg1 inputObject * 这个函数写得很傻,是我很早以前写的了,没有进行优化,但功能十分齐全,你尝试着使用 * 其实有一种可以更快速的JavaScript内置函数可以提取杂乱数据中的数字: * parseFloat(‘10‘); **/ function overFormat(th) { var v = th.value; if (v === ‘‘) { //v = ‘0.00‘; v = ‘‘; } else if (v === ‘0‘) { //v = ‘0.00‘; v = ‘‘; } else if (v === ‘0.‘) { //v = ‘0.00‘; v = ‘‘; } else if (/^0+\d+\.?\d*.*$/.test(v)) { v = v.replace(/^0+(\d+\.?\d*).*$/, ‘$1‘); v = inp.getRightPriceFormat(v).val; } else if (/^0\.\d$/.test(v)) { v = v + ‘0‘; } else if (!/^\d+\.\d{2}$/.test(v)) { if (/^\d+\.\d{2}.+/.test(v)) { v = v.replace(/^(\d+\.\d{2}).*$/, ‘$1‘); } else if (/^\d+$/.test(v)) { v = v + ‘.00‘; } else if (/^\d+\.$/.test(v)) { v = v + ‘00‘; } else if (/^\d+\.\d$/.test(v)) { v = v + ‘0‘; } else if (/^[^\d]+\d+\.?\d*$/.test(v)) { v = v.replace(/^[^\d]+(\d+\.?\d*)$/, ‘$1‘); } else if (/\d+/.test(v)) { v = v.replace(/^[^\d]*(\d+\.?\d*).*$/, ‘$1‘); ty = false; } else if (/^0+\d+\.?\d*$/.test(v)) { v = v.replace(/^0+(\d+\.?\d*)$/, ‘$1‘); ty = false; } else { //v = ‘0.00‘;//当用户未输入时,设置默认值 v = ‘‘; } } th.value = v; } </script> </head> <body> <input type="text" name="city" value="" onKeyUp="amount(this)" onBlur="overFormat(this)" /> </body> </html>
时间: 2024-10-24 02:57:33