数据库验证：用户登录框，动态产生验证码

来源：互联网发布：阿里云销售工资编辑：程序博客网时间：2024/06/02 05:30
软件开发工具课上的小作业，实现后有小小成就感嘻嘻=w=
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><!doctype html><html lang="en"><style type="text/css"></style><head>    <meta charset="utf-8">    <link rel="stylesheet" type="text/css" href="jqeasyui/themes/default/easyui.me.css">    <link rel="stylesheet" type="text/css" href="jqeasyui/themes/icon.css">    <link rel="stylesheet" type="text/css" href="system/css/icon.css">    <script type="text/javascript" src="jqeasyui/jquery.min.js"></script>    <script type="text/javascript" src="jqeasyui/jquery.easyui.min.js"></script>    <script type="text/javascript" src="jqeasyui/easyui-lang-zh_CN.js"></script>        <script type="text/javascript" src="system/easyui_functions.js"></script></head><body id="main" style="margin:1px 1px 1px 10px"><script>    $(function(){        myForm('myform','main','登陆界面',0,0,400,400,'');        myFieldset('myfieldset','myform','用户信息',10,10,350,360);        myTextField('userid','myfieldset','用户名:',60,40+45*0,15,0,200);        myTextField('password','myfieldset','密码:',60,40+45*1,15,0,200);        myTextField('codeinput','myfieldset','验证码:',60,40+45*2,15,0,160);        //myImageField('codeimg','myfieldset','',0,40+45*3,75,70,160,'');        //myTextField('codey','myfieldset','',0,40+45*3,75,70,160);        myButton('btn-submit','myform','登陆',300,90);        myButton('btn-clear','myform','清空',300,150);        codesource=myRunSelectProcedure('sysdatebasestring','code','');        console.log(codesource);        console.log(codesource[0].codex);        //mySetValue('codey', source[0].xcode); //src img        //$('#codeimg').imagebox({src:source[0].xcode});        str='<img id="codeimg" src="" style="position:absolute;top:175px;left:75px;height:70px;width:160px;"></img>';        $('#myfieldset').append(str);        console.log(str);        $('#codeimg').attr('src',codesource[0].codesrc);        $('#password').textbox({            prompt:'密码有效长度为8位及以上字符！',//添加在函数中没有涉及的属性和事件            type:"password"        });        $("#userid").next("span").find("input").focus();        $('#btn-submit').on('click',function(e){            errormsg='';            if (myGetValue('userid')=='') errormsg+='<br>用户账号不能为空';            if (myGetValue('password')=='') errormsg+='<br>登录密码不能为空';            s1=myGetValue('userid');            s2=myGetValue('password');            s3=myGetValue('codeinput');            if (s3!=codesource[0].codex) errormsg+='<br>验证码错误';            console.log(codesource[0].codex);            if (errormsg==''){                s=s1+'  '+s2;  //tab                source=myRunSelectProcedure('jqdemos','login',s);                console.log(source);                if (source[0].n2==1){                    alert('登陆成功');                }else if (source[0].n1==1){                    alert('密码错误！');                }else{                    alert('用户名不存在！');                }            }else{                alert(errormsg);            }           });        $('#btn-clear').on('click',function(){            myClearForm();        });    });  // endof jquery    /*function fnValidation(){        var errormsg=[];         var s1=$("#userid").textbox('getValue');        var s2=$("#password").textbox('getValue');        if (s1.length==0) errormsg.push('用户名不能为空！');        if (s2.length<8) errormsg.push('密码必须是8位及以上字符！') ;         var sql1="select * from users where userid='"+s1+"'" ;        var result1=myRunSelectSql(sysdatabasestring,sql1);        if (result1.length==0){            errormsg.push('用户名不存在！');        }        var sql2="select * from users where password='"+s2+"'" ;        var result2=myRunSelectSql(sysdatabasestring,sql2);        if (result2.length==0){            errormsg.push('密码错误！');        }        if (errormsg.length>0){            var str='';            for (var i=0;i<errormsg.length;i++){                str+='<br>';                if (i>0) str+='<span style="padding:0px 0px 0px 42px;">'+errormsg[i]+'</span>';                else str+=errormsg[i];            }            $.messager.alert('系统提示','数据验证发现下列错误，提交失败！<br>'+str,'error');            //myMessagebox('系统提示','数据验证发现下列错误，提交失败！',errormsg,'error');        }    }*/</script></body></html>
阅读全文
0 0