check.js

function CLASS_CHECK(){ this.pass = true; this.showAll = true; this.alert = false; this.message = ""; this.first = null; this.cancel = false; var aUsage = { "int":"^([+-]?)//d+$", //整数 "int+":"^([+]?)//d+$", //正整数 "int-":"^-//d+$", //负整数 "num":"^([+-]?)//d*//.?//d+$", //数字 "num+":"^([+]?)//d*//.?//d+$", //正数 "num-":"^-//d*//.?//d+$", //负数 "float":"^([+-]?)//d*//.//d+$", //浮点数 "float+":"^([+]?)//d*//.//d+$", //正浮点数 "float-":"^-//d*//.//d+$", //负浮点数 //邮件 "email":"^//w+((-//w+)|(//.//w+))*//@[A-Za-z0-9]+((//.|-)[A-Za-z0-9]+)*//. [A-Za-z0-9]+$", "color":"^#[a-fA-F0-9]{6}", //颜色 "url":"^http[s]?://([//w-]+//.)+[//w-]+([//w-./?%&=]*)?$", //联接 "chinese":"^[//u4E00-//u9FA5//uF900-//uFA2D]+$", //仅中文 "ascii":"^[//x00-//xFF]+$", //仅ACSII字符 "zipcode":"^//d{6}$", //邮编 "mobile":"^0{0,1}13[0-9]{9}$", //手机 "ip4":"^/(([0-1]?//d{0,2})|(2[0-5]{0,2}))//.(([0-1]?//d{0,2})|(2[0-5] {0,2}))//.(([0-1]?//d{0,2})|(2[0-5]{0,2}))//.(([0-1]?//d{0,2})|(2[0-5] {0,2}))$", //ip地址 "notempty":"^[^ ]+$", //非空 "picture":"(.*)//.(jpg|bmp|gif|ico|pcx|jpeg|tif|png|raw|tga)$", //图片 "rar":"(.*)//.(rar|zip|7zip|tgz)$", //压缩文件 "date":"^//d{4}(//-|///|/.)//d{1,2}//1//d{1,2}$" //日期 }; //缺省消息 var aMessage = { "int" :"请输入整数", //整数 "int+" :"请输入正整数", //正整数 "int-" :"请输入负整数", //负整数 "num" :"请输入数字", //数字 "num+" :"请输入正数", //正数 "num-" :"请输入负整数", //负数 "float" :"请输入浮点数", //浮点数 "float+":"请输入正浮点数", //正浮点数 "float-":"请输入负浮点数", //负浮点数 "email" :"请输入正确的邮箱地址", //邮件 "color" :"请输入正确的颜色", //颜色 "url" :"请输入正确的连接地址", //联接 "chinese":"请输入中文", //中文 "ascii" :"请输入ascii字符", //仅ACSII字符 "zipcode":"请输入正确的邮政编码", //邮编 "mobile":"请输入正确的手机号码", //手机 "ip4" :"请输入正确的IP地址", //ip地址 "notempty":"不能为空", //非空 "picture":"请选择图片", //图片 "rar" :"请输入压缩文件", //压缩文件 "date" :"请输入正确的日期" //日期 } var me = this; me.checkForm = function(oForm){ me.pass = true; me.message = ""; me.first = null; if(me.cancel==true){ return true; } var els = oForm.elements; //遍历所有表元素 for(var i=0;i<els.length;i++){ //取得格式 var sUsage = els[i].getAttribute("Usage"); var sReg = ""; //如果设置Usage，则使用内置正则表达式，忽略Exp if(typeof(sUsage)!="undefined"&&sUsage!=null){ //如果Usage在表达室里找到，则使用内置表达式，无则认为是表达式；表达式可以 是函数； if(aUsage[sUsage]!=null){ sReg = aUsage[sUsage]; } else { try { if(eval(sUsage)==false){ me.pass = false; if(me.first==null){ me.first = els[i]; } addMessage(getMessage(els[i])); if(me.showAll==false){ setFocus(els[i]); break; } } } catch(e){ alert("表达式[" + sUsage +"]错误:" + e.description) return false; } } } else { sReg = els[i].getAttribute("Exp"); } if(typeof(sReg)!="undefined"&&sReg!=null){ //对于失效状态不验证 if(isDisabled(els[i])==true){ continue; } //取得表单的值,用通用取值函数 var sVal = getValue(els[i]); //字符串->正则表达式,不区分大小写 var reg = new RegExp(sReg,"i"); if(!reg.test(sVal)){ me.pass = false; if(me.first==null){ me.first = els[i]; } //alert(reg); //验证不通过,弹出提示warning var sTip = getMessage(els[i]); if(sTip.length==0&&typeof(sUsage)!="undefined"&&sUsage!=null&&aMessage [sUsage]!=null){ sTip = aMessage[sUsage]; } addMessage(sTip); if(me.showAll==false){ //该表单元素取得焦点,用通用返回函数 setFocus(els[i]); break; } } } } if(me.pass==false){ showMessage(); if(me.first!=null&&me.showAll==true){ setFocus(me.first); } } return me.pass; } /* * 添加错误信息 */ function addMessage(msg){ if(me.alert==true){ me.message += msg + "/n"; } else { me.message += msg + "<br>"; } } /* * 显示错误 */ function getMessage(els){ var sTip = els.getAttribute("tip"); if(typeof(sTip)!="undefined"&&sTip!=null){ return sTip; } else { return ""; } } /* * 显示错误 */ function showMessage(){ //外接显示错误函数 if(typeof(me.showMessageEx)=="function"){ return me.showMessageEx(me.message); } if(me.alert==true){ alert(me.message); } else { var divTip; divTip = document.getElementById("divErrorMessage"); try { if(typeof(divTip)=="undefined"||divTip==null){ divTip = document.createElement("div"); divTip.id = "divErrorMessage"; divTip.name = "divErrorMessage"; divTip.style.color = "red"; document.body.appendChild(divTip); } divTip.innerHTML = me.message; }catch(e){} } } /* * 获得元素是否失效（失效的元素不做判断） */ function isDisabled(el){ //对于radio,checkbox元素，只要其中有一个非失效元素就验证 if(el.type=="radio"||el.type=="checkbox"){ //取得第一个元素的name,搜索这个元素组 var tmpels = document.getElementsByName(el.name); for(var i=0;i<tmpels.length;i++){ if(tmpels[i].disabled==false){ return false; } } return true; }else{ return el.disabled; } } /* * 取得对象的值（对于单选多选框把其选择的个数作为需要验证的值） */ function getValue(el){ //取得表单元素的类型 var sType = el.type; switch(sType){ //文本输入框,直接取值el.value case "text": case "hidden": case "password": case "file": case "textarea": return el.value; //单多下拉菜单,遍历所有选项取得被选中的个数返回结果"0"表示选中一个，"00"表 示选中两个 case "checkbox": case "radio": return getRadioValue(el); case "select-one": case "select-multiple": return getSelectValue(el); } //取得radio,checkbox的选中数,用"0"来表示选中的个数,我们写正则的时候就可以通 过0{1,}来表示选中个数 function getRadioValue(el){ var sValue = ""; //取得第一个元素的name,搜索这个元素组 var tmpels = document.getElementsByName(el.name); for(var i=0;i<tmpels.length;i++){ if(tmpels[i].checked){ sValue += "0"; } } return sValue; } //取得select的选中数,用"0"来表示选中的个数,我们写正则的时候就可以通过0{1,} 来表示选中个数 function getSelectValue(el){ var sValue = ""; for(var i=0;i<el.options.length;i++){ //单选下拉框提示选项设置为value="" if(el.options[i].selected && el.options[i].value!=""){ sValue += "0"; } } return sValue; } } /* * 对没有通过验证的元素设置焦点 */ function setFocus(el){ //取得表单元素的类型 var sType = el.type; switch(sType){ //文本输入框,光标定位在文本输入框的末尾 case "text": case "hidden": case "password": case "file": case "textarea": try{el.focus();var rng = el.createTextRange(); rng.collapse(false); rng.select();}catch(e){}; break; //单多选,第一选项非失效控件取得焦点 case "checkbox": case "radio": var els = document.getElementsByName(el.name); for(var i=0;i<els.length;i++){ if(els[i].disabled == false){ els[i].focus(); break; } } break; case "select-one": case "select-multiple": el.focus(); break; } } //自动绑定到所有form的onsubmit事件 if(window.attachEvent){ window.attachEvent("onload",function() { for(var i=0;i<document.forms.length;i++){ var theFrom = document.forms[i]; function mapping(f){ f.attachEvent("onsubmit",function(){return me.checkForm(f);}); } if(theFrom){ mapping(theFrom); theFrom.attachEvent("onclick",function(){ var o = event.srcElement; if(typeof(o.type)!="undefined"){ var check = o.getAttribute("check"); if(typeof(check)!="undefined"&&check! =null&&check.toLowerCase()=="false"){ me.cancel = true; } } } ); } } } ); } else { window.onsubmit = function(e){var theFrom = e.target;if(theFrom){return me.checkForm(theFrom);}} window.addEventListener("click",function(e){var o = e.target; if(typeof(o.type)!="undefined"){ var check = o.getAttribute("check"); if(typeof(check)!="undefined"&&check!=null&&check.toLowerCase ()=="false"){me.cancel = true;} } } ,false); } this.keyCheck = function(){ if(window.attachEvent){ window.attachEvent("onload",function(){for(var i=0;i<document.forms.length;i++){var theFrom = document.forms[i]; if (theFrom){myKeyCheck(theFrom);}}}); }else{ window.addEventListener("load",function(e){for(var i=0;i<document.forms.length;i++){var theFrom = document.forms[i]; if (theFrom){myKeyCheck(theFrom);}}},false); } function myKeyCheck(oForm){ var els = oForm.elements; //遍历所有表元素 for(var i=0;i<els.length;i++){ //取得格式 var sUsage = els[i].getAttribute("Usage"); //如果设置Usage，则使用内置正则表达式，忽略Exp if(typeof(sUsage)!="undefined"&&sUsage!=null){ switch(sUsage.toLowerCase ()){ case "zipcode": case "int": els[i].onkeypress = function(e){var chr;if(e)chr=e.charCode; else chr=window.event.keyCode;if(chr==0)return true; else return //d/.test (String.fromCharCode(chr))||(this.value.indexOf('+')<0?String.fromCharCode (chr)=="+":false)||(this.value.indexOf('-')<0?String.fromCharCode(chr) =="-":false);} els[i].onpaste = function(e){if(e==null)return ! clipboardData.getData('text').match(//D/); else return false;} els[i].ondragenter = function(e){return false;} els[i].style.imeMode= "disabled"; break; case "mobile": case "int+": els[i].onkeypress = function(e){var chr;if(e)chr=e.charCode; else chr=window.event.keyCode;if(chr==0)return true; else return //d/.test (String.fromCharCode(chr))||(this.value.indexOf('+')<0?String.fromCharCode (chr)=="+":false);} els[i].onpaste = function(e){if(e==null)if(e==null)return ! clipboardData.getData('text').match(/[^/d/+]/); else return false; else return false;} els[i].ondragenter = function(e){return false;} els[i].style.imeMode= "disabled"; break; case "int-": els[i].onkeypress = function(e){var chr;if(e)chr=e.charCode; else chr=window.event.keyCode;if(chr==0)return true; else return //d/.test (String.fromCharCode(chr))||(this.value.indexOf('-')<0?String.fromCharCode (chr)=="-":false);} els[i].onpaste = function(e){if(e==null)return ! clipboardData.getData('text').match(/[^/d/-]/); else return false;} els[i].ondragenter = function(e){return false;} els[i].style.imeMode= "disabled"; break; case "float": case "num": els[i].onkeypress = function(e){var chr;if(e)chr=e.charCode; else chr=window.event.keyCode;if(chr==0)return true; else return /[/+/-/.] |/d/.test(String.fromCharCode(chr));} els[i].onpaste = function(e){if(e==null)return ! clipboardData.getData('text').match(/[^/d/./+/-]/); else return false;} els[i].ondragenter = function(e){return false;} els[i].style.imeMode= "disabled"; break; case "float+": case "num+": els[i].onkeypress = function(e){var chr;if(e)chr=e.charCode; else chr=window.event.keyCode;if(chr==0)return true; else return /[/+/.]|/d/.test (String.fromCharCode(chr));} els[i].onpaste = function(e){if(e==null)return ! clipboardData.getData('text').match(/[^/d/./+]/); else return false;} els[i].ondragenter = function(e){return false;} els[i].style.imeMode= "disabled"; break; case "float-": case "num-": els[i].onkeypress = function(e){var chr;if(e)chr=e.charCode; else chr=window.event.keyCode;if(chr==0)return true; else return /[/-/.]|/d/.test (String.fromCharCode(chr));} els[i].onpaste = function(e){if(e==null)return ! clipboardData.getData('text').match(/[^/d/./-]/); else return false;} els[i].ondragenter = function(e){return false;} els[i].style.imeMode= "disabled"; break; case "ascii": els[i].style.imeMode= "disabled"; break; case "ip4": els[i].onkeypress = function(e){var chr;if(e)chr=e.charCode; else chr=window.event.keyCode;if(chr==0)return true; else return /[/.]|/d/.test (String.fromCharCode(chr));} els[i].onpaste = function(e){if(e==null)return ! clipboardData.getData('text').match(/[^/d/.]/); else return false;} els[i].ondragenter = function(e){return false;} els[i].style.imeMode= "disabled"; els[i].maxLength = 15; break; case "color": els[i].onkeypress = function(e){var chr;if(e)chr=e.charCode; else chr=window.event.keyCode;if(chr==0)return true; else return /[a-fA-Z] |/d/.test(String.fromCharCode(chr))||(this.value.indexOf('#')<0? String.fromCharCode(chr)=="#":false);} els[i].onpaste = function(e){if(e==null)return ! clipboardData.getData('text').match(/[^/d/#]/); else return false;} els[i].ondragenter = function(e){return false;} els[i].maxLength = 7; els[i].style.imeMode= "disabled"; break; case "date": els[i].onkeypress = function(e){var chr;if(e)chr=e.charCode; else chr=window.event.keyCode;if(chr==0)return true; else return /[///-/.] |/d/.test(String.fromCharCode(chr));} els[i].onpaste = function(e){if(e==null)return ! clipboardData.getData('text').match(/[^/d/./-]/); else return false;} els[i].ondragenter = function(e){return false;} els[i].style.imeMode= "disabled"; break; } } } } } } //初始化 var g_check = new CLASS_CHECK(); g_check.keyCheck();