关键字: 常规验证、正则表达式、绝对好用
呵呵，近期偶完成的一个较大的JS验证，行家一看就知道这种业务设计不怎么样，但是我还要是贴出来，因为几乎常用的JS前台验证都有了。 当然了，变态的是里面还有DWR的AJAX实现，参考吧但不要对业务设计做什么评论！哈哈。 js 代码 <script language="JavaScript"> function Check(){ var errorinfo = ""; var isFocus = true; var groupUserName = document.getElementsByName("Custom.groupUserName")[0]; if (groupUserName.value == ""){ errorinfo += "机构客户名称为必填项，请输入!\n"; if(isFocus){ groupUserName.focus(); isFocus = false; } } var enterpriseAddress = document.getElementsByName("Custom.enterpriseAddress")[0]; if (enterpriseAddress.value == ""){ errorinfo += "客户办公地址为必填项，请输入!\n"; if(isFocus){ enterpriseAddress.focus(); isFocus = false; } } var postcode = document.getElementsByName("Custom.postcode")[0]; if (postcode.value == ""){ errorinfo += "邮政编码为必填项，请输入!\n"; if(isFocus){ postcode.focus(); isFocus = false; } }else{ var patrn=/^[a-zA-Z0-9 ]{3,12}$/; if (!patrn.exec(postcode.value)){ errorinfo += "你输入的邮政编码格式不正确，请重新输入!\n"; if(isFocus){ postcode.focus(); isFocus = false; } } } var checkSub = document.getElementsByName("Custom.checkSub")[0]; if (checkSub.value == 0){ errorinfo += "是否验证子客户为必填项，请输入!\n"; if(isFocus){ checkSub.focus(); isFocus = false; } } var principalName = document.getElementsByName("Custom.principalName")[0]; if (principalName.value == ""){ errorinfo += "法人代表为必填项，请输入!\n"; if(isFocus){ principalName.focus(); isFocus = false; } } var passportId = document.getElementsByName("Custom.passportId")[0]; if (passportId.value == ""){ errorinfo += "法人代表的身份证号码为必填项，请输入!\n"; if(isFocus){ passportId.focus(); isFocus = false; } }else{ var patrn=/^(([0-9]{14}[x0-9]{1})|([0-9]{17}[x0-9]{1}))$/; if (!patrn.exec(passportId.value)){ errorinfo += "你输入法人代表的身份证号码格式不正确，请输入15位或者18位的身份证号码!\n"; if(isFocus){ passportId.focus(); isFocus = false; } } } var delegateName = document.getElementsByName("DelegateInfo1.delegateName")[0]; if (delegateName.value == ""){ errorinfo +="客户经办人(1)姓名为必填项，请输入!\n"; if(isFocus){ delegateName.focus(); isFocus = false; } } var delegateId = document.getElementsByName("DelegateInfo1.delegateId")[0]; if (delegateId.value == ""){ errorinfo += "客户经办人(1)的身份证号码为必填项，请输入!\n"; if(isFocus){ delegateId.focus(); isFocus = false; } }else{ var patrn=/^(([0-9]{14}[x0-9]{1})|([0-9]{17}[x0-9]{1}))$/; if (!patrn.exec(delegateId.value)){ errorinfo += "你输入的客户经办人(1)的身份证号码格式不正确，请输入15位或者18位的身份证号码!\n"; if(isFocus){ delegateId.focus(); isFocus = false; } } } var delegateDuty = document.getElementsByName("DelegateInfo1.delegateDuty")[0]; if (delegateDuty.value == ""){ errorinfo +="你输入客户经办人(1)的职务为必填项，请输入!\n"; if(isFocus){ delegateDuty.focus(); isFocus = false; } } var delegateTelephone = document.getElementsByName("DelegateInfo1.delegateTelephone")[0]; if (delegateTelephone.value == ""){ errorinfo += "你输入客户经办人(1)的固定电话为必填项，请输入!\n"; if(isFocus){ delegateTelephone.focus(); isFocus = false; } }else{ var patrn=/^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/; if (!patrn.exec(delegateTelephone.value)){ errorinfo += "你输入的固定电话格式不正确，请重新输入!\n"; if(isFocus){ delegateTelephone.focus(); isFocus = false; } } } var delegateMobile = document.getElementsByName("DelegateInfo1.delegateMobile")[0]; if (delegateMobile.value == ""){ errorinfo += "你输入客户经办人(1)的移动电话为必填项，请输入!\n"; if(isFocus){ delegateMobile.focus(); isFocus = false; } }else{ var patrn=/^((\(\d{2,3}\))|(\d{3}\-))?13\d{9}$/; if (!patrn.exec(delegateMobile.value)){ errorinfo += "你输入的移动电话格式不正确，请重新输入!\n"; if(isFocus){ delegateMobile.focus(); isFocus = false; } } } var delegateFax = document.getElementsByName("DelegateInfo1.delegateFax")[0]; if (delegateFax.value == ""){ errorinfo += "你输入客户经办人(1)的传真为必填项，请输入!\n"; if(isFocus){ delegateFax.focus(); isFocus = false; } }else{ var patrn=/^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/; if (!patrn.exec(delegateFax.value)){ errorinfo += "你输入的传真格式不正确，请重新输入!\n"; if(isFocus){ delegateFax.focus(); isFocus = false; } } } var delegateEmail = document.getElementsByName("DelegateInfo1.delegateEmail")[0]; if (delegateEmail.value == ""){ errorinfo += "你输入客户经办人(1)的邮箱地址为必填项，请输入!\n"; if(isFocus){ delegateEmail.focus(); isFocus = false; } }else{ var patrn=/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/; if (!patrn.exec(delegateEmail.value)){ errorinfo += "你输入的邮箱地址不正确，请重新输入!\n"; if(isFocus){ delegateEmail.focus(); isFocus = false; } } } //-----------------------------------------2------------------ var delegateId2 = document.getElementsByName("DelegateInfo2.delegateId")[0]; if (delegateId2.value != ""){ var patrn=/^(([0-9]{14}[x0-9]{1})|([0-9]{17}[x0-9]{1}))$/; if (!patrn.exec(delegateId2.value)){ errorinfo += "你输入的客户经办人(2)身份证号码格式不正确，请输入15位或者18位的身份证号码!\n"; if(isFocus){ delegateId2.focus(); isFocus = false; } } } var delegateTelephone2 = document.getElementsByName("DelegateInfo2.delegateTelephone")[0]; if (delegateTelephone2.value != ""){ var patrn=/^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/; if (!patrn.exec(delegateTelephone2.value)){ errorinfo += "你输入的的客户经办人(2)固定电话格式不正确，请重新输入!\n"; if(isFocus){ delegateTelephone2.focus(); isFocus = false; } } } var delegateMobile2 = document.getElementsByName("DelegateInfo2.delegateMobile")[0]; if (delegateMobile2.value != ""){ var patrn=/^((\(\d{2,3}\))|(\d{3}\-))?13\d{9}$/; if (!patrn.exec(delegateMobile2.value)){ errorinfo += "你输入的客户经办人(2)移动电话格式不正确，请重新输入!\n"; if(isFocus){ delegateMobile2.focus(); isFocus = false; } } } var delegateFax2 = document.getElementsByName("DelegateInfo2.delegateFax")[0]; if (delegateFax2.value != ""){ var patrn=/^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/; if (!patrn.exec(delegateFax2.value)){ errorinfo += "你输入的客户经办人(2)传真格式不正确，请重新输入!\n"; if(isFocus){ delegateFax2.focus(); isFocus = false; } } } var delegateEmail2 = document.getElementsByName("DelegateInfo2.delegateEmail")[0]; if (delegateEmail2.value != ""){ var patrn=/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/; if (!patrn.exec(delegateEmail2.value)){ errorinfo += "你输入的客户经办人(2)邮箱地址不正确，请重新输入!\n"; if(isFocus){ delegateEmail2.focus(); isFocus = false; } } } var delegateName2 = document.getElementsByName("DelegateInfo2.delegateName")[0]; if (delegateId2.value != "" ||delegateTelephone2.value !="" || delegateMobile2.value != "" ||delegateFax2.value !="" || delegateEmail2.value !=""){ if (delegateName2.value == ""){ errorinfo+= "客户经办人(2)姓名没有输入，请输入!"; if(isFocus){ delegateName2.focus(); isFocus = false; } } } var saleOfYear = document.getElementsByName("Custom.saleOfYear")[0]; if (saleOfYear.value != ""){ var patrn=/^((-?|\+?)\d+)(\.\d+)?$/; if (!patrn.exec(saleOfYear.value)){ errorinfo += "你输入的年销售/营业额不正确，只能够为数字类型，请重新输入!\n"; if(isFocus){ saleOfYear.focus(); isFocus = false; } } } var payoutOfYear = document.getElementsByName("Custom.payoutOfYear")[0]; if (payoutOfYear.value == ""){ errorinfo += "你输入年估计/实际机票支出为必填项，请输入!\n"; if(isFocus){ payoutOfYear.focus(); isFocus = false; } } else{ var patrn=/^((-?|\+?)\d+)(\.\d+)?$/; if (!patrn.exec(payoutOfYear.value)){ errorinfo += "你输入的年估计/实际机票支出不正确，只能够为数字类型，请重新输入!\n"; if(isFocus){ payoutOfYear.focus(); isFocus = false; } } } var numberOfUser = document.getElementsByName("Custom.numberOfUser")[0]; if (numberOfUser.value == ""){ errorinfo += "你输入机构客户人数为必填项，请输入!\n"; if(isFocus){ numberOfUser.focus(); isFocus = false; 相关资源：js验证登录 js用户登录验证