js表单验证自我总结
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<html><title></title> <head> <script language = "javascript"> function cancel(){ document.getElementById("Form").reset(); } function check(){ //验证用户名 var username = document.getElementById("username"); if(username.value.length==0){ alert("用户名不能为空！"); username.focus(); return false; } if(username.value.length<6){ alert("用户名长度不能低于6位！"); username.value = ""; username.focus(); return false; } //验证密码，确认密码 var pass = document.getElementById("password"); var qrpass = document.getElementById("qrpassword"); if(pass.value.length==0){ alert("密码不能为空！"); pass.focus(); return false; }if(pass.value.length<6||pass.value.length>15){ alert("密码的长度为6-15位！"); pass.value = ""; pass.focus(); return false;}else if(pass.value!=qrpass.value){ alert("两次密码输入不一致！"); qrpass.value = ""; qrpass.focus(); return false;}//验证身份证号var idcard = document.getElementById("idcard");if(idcard.value.length==0){alert("请输入你的身份证号码!");idcard.focus();return false;}var card = /^[1-9]{1}[0-9]{14}$|^[1-9]{1}[0-9]{16}([0-9]|[xX])$/if(!card.test(idcard.value)){alert("你输入的身份证号码不正确，请重新输入！");idcard.value="";idcard.focus();return false;} //验证性别 var sex = document.getElementsByName("sex"); var boo = true; for(var i = 0;i<sex.length;i++){ if(sex[i].checked==true){ boo = false; break; } } if(boo){ alert("请选择你的性别！"); return false; }//验证出生日期var data = document.getElementById("birthday"); if(data.value.length==0){ alert("请输入您的出生日期！"); pass.focus(); return false; }//YYYY-MM-DD || YYYY/MM/DD 的日期格式 var a=/^(\d{4})(-|\/)(\d{1,2})\2(\d{1,2})$/ if(!a.test(data.value)){ alert("日期格式不正确！\n\n请输入YYYY-MM-DD或者YYYY/MM/DD的格式！"); return false; } //验证籍贯 var slt=document.getElementById("region"); if(slt.value=="0"){ alert("请选择你的籍贯！"); return false; }//验证爱好var flag = true; var aa = document.getElementsByName("hobby"); for(i = 0;i<aa.length;i++){ if(aa[i].checked==true){ flag = false; break; } } if(flag){ alert("请选择你的爱好！"); return false; } //验证邮箱 var objName = document.getElementById("email"); var pattern = /^[a-zA-Z0-9]{1,}@[a-zA-Z0-9]{1,10}[.](com|cn|net)$/; if(objName.value==0){ alert("请输入您的邮箱！"); objName.focus(); return false;} if (!pattern.test(objName.value)) { alert("邮箱格式不正确，请重新输入!"); objName.value=""; objName.focus(); return false; } //验证手机号码的 var tel = document.getElementById("tel");var pattern= /^1[358]\d{9}$/ if(tel.value.length==0){ alert("请输入你的手机号码！"); tel.focus(); return false;}if(!pattern.test(tel.value)) { alert("你输入的手机号码无效，请重新输入！"); tel.value=""; tel.focus(); return false; } //验证自我介绍 var intro = document.getElementById("intro"); if(intro.value.length==0){ alert("自我介绍不能为空！");return false; }else if(intro.value.length<100){ alert("自我介绍字数不能低于100字！");return false; } } function checknoAll(){ var all = document.getElementsByName("all"); var no = document.getElementsByName("no"); if(no[0].checked==true){ all[0].checked=false; var all = document.getElementsByName("hobby"); for(i = 0;i<all.length;i++){ if(all[i].checked==true){ all[i].checked=false; }else if(all[i].checked==false){ all[i].checked=true; } } } } function checkAll(){ var all = document.getElementsByName("all"); var no = document.getElementsByName("no"); if(all[0].checked==true){ no[0].checked=false; var all = document.getElementsByName("hobby"); for(i = 0;i<all.length;i++){ if(!all[i].checked==true){ all[i].checked=true; } } } } </script> </head> <body><form action = "" method = "post" onsubmit = "return check();" id = "Form"> <table border = "1" bordercolor = "green" cellspacing = "1" cellpadding = "1" align = "left" width = "500"> <tr> <td colspan = "2" align = "center"><font size = "5" color = "green"><b>用户注册</b></font></td> </tr> <tr> <td align = "right">用户名：</td><td><input type = "text" id = "username" style = "width:150px;height:20px"/></td></tr><tr> <td align = "right">密 码：</td><td><input type = "password" id = "password" style = "width:150px;height:20px"/></td> </tr> <tr> <td align = "right">确认密码：</td><td><input type = "password" id = "qrpassword" style = "width:150px;height:20px" onpaste="return false"/> <font color = "red">警告：</font>禁止粘贴</td> </tr> <tr> <td align = "right">身份证号：</td><td><input type = "text" id = "idcard" style = "width:150px;height:20px"/></td> </tr> <tr> <td align = "right">性 别：</td><td>男<input type = "radio" id = "sex" name = "sex" value = "boy"/>女<input type = "radio" name = "sex" id = "sex" value = "girl"/></td> </tr> <tr> <td align = "right">出生日期：</td><td><input type = "text" id = "birthday" style = "width:150px;height:20px"/> <font color = "red">YYYY-MM-DD或者YYYY/MM/DD</font></td> </tr> <tr> <td align = "right">籍 贯：</td><td><select id = "region"> <option value = "0">--请选择籍贯--</option> <option value = "1">河南省郑州市</option> <option value = "2">河南省信阳市</option> <option value = "3">北京市海淀区</option> <option value = "4">辽宁省大连市</option> <option value = "5">广东省深圳市</option> </select> </td> </tr> <tr> <td align = "right">爱 好：</td><td><input type = "checkbox" id = "hobby" value = "music"/>音乐 <input type = "checkbox" id = "hobby" name = " hobby" value = "basketball"/>篮球 <input type = "checkbox" id = "hobby" name = " hobby" value = "visitor"/>旅游 <input type = "checkbox" id = "hobby" name = " hobby" value = "sleep"/>睡觉 <font color = "red">*</font> <input type = "checkbox" id = "all" name = " all" onclick = "checkAll()"/>全选 <input type = "checkbox" id = "no" name = " bo" onclick = "checknoAll()"/>反选</td> </tr> <tr> <td align = "right">邮 箱：</td><td><input type = "text" id = "email" style = "width:150px;height:20px"/></td> </tr> <tr> <td align = "right">手机号码：</td><td><input type = "text" id = "tel" style = "width:150px;height:20px"/></td> </tr> <tr> <td align = "right">自我介绍：</td><td><textarea id = "intro" style = "width:150px;height:50px"></textarea></td> </tr> <tr> <td colspan = "2" align = "right"> <input type = "submit" value = " 提交注册信息 " /> <input type = "reset" onclick = "cancel()" value = " 全部清空 "/> </td> </table></form> </body></html>
