web前端 html+css+javascript网页设计实例 企业网站制作

(案例文件链接在文章末尾,仅供学习参考)
一、在浏览器中的运行结果:

二、部分代码
1.HTML:




    
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2.CSS

*{
    /*background-color: #5F822F;*/
}
#ha2{
    position:absolute;
    left: 1400px;
    text-decoration: none;
}
#ha2:hover{
    background-color: aqua;
}

header{
    height: 150px;
    background-image: url("image/header01.jpg");
    background-repeat: round;
}
#hah{
    text-decoration: none;
}

#hah:hover{
    background-color: aqua;
}

#hh{
    color: coral;
    position:absolute;
    left:100px;
    top: 30px;
}
nav{
    width: 1000px;
}
nav ul{
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    background-color: bisque;
    height: 40px;
    font-size: x-large;
    font-weight: 800;
    list-style-type: none;
    overflow: hidden;

}
nav ul li a{
    text-decoration: none;
    padding: 12px 50px;
    /*padding: 1px 5px;*/
}

nav ul li a:hover{
background-color: burlywood;

}

.nud{
    display: inline-block;
}

.nudd{
    display: none;
    position: absolute;

    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);

}


.nud:hover .nudd{
    display: block;
}


.nudd a:hover{
    background-color: aquamarine;


}

.nuda{
    display: inline-block;
    text-decoration: none;
}

.nuda:hover{
    background-color: burlywood;
}

.nudd a{
    display: block;
    color: crimson;
    padding: 12px 50px;
    text-decoration: none;
}

.box{
    display: flex;
}



@-webkit-keyframes myfirst {
    0%{
        background-image: url("image/wuy00.jpg");

    }

    25%{
        background-image: url("image/wuy01.jpg");
    }
    50%{
        background-image: url("image/wuy02.jpg");
    }

    75%{
        background-image: url("image/wuy03.jpg");
    }
}


#ha1{
    flex: 60%;
    width:60%;
    height:450px;
    background-size: 100%;
    background-image:url("image/wuy00.jpg") ;
    -webkit-animation: myfirst 8s infinite;
}

#ha3{
flex: 40%;
}
#ad{
    padding-left: 20px;
}

.tab01 td{
    border:2px solid;
    border-color: blueviolet;
    background-color: aquamarine;
    height: 50px;
}
.tab02 td{
    border:2px groove;
    border-color: bisque;
    background-color: bisque;
    height: 50px;
}
.box01{
    display: flex;
}
.new{
    flex: 60%;
}
.new h3{
    color: red;
}
.register{
    flex: 40%;
    padding-top: 10px;
    padding-left: 20px;
}
#nd{
    padding-top: 10px;
    width: 900px;
    height:83px;

}

#ba1{
    float: left;
}
#ba2{
    float: left;
    padding-left: 50px;
}
#ba3{
    float: left;
    padding-left: 50px;
}

@keyframes mysec {
    0%{
        transform:scale(0.7);}
    25%{
        transform:scale(1);  }

}

#na{
    width:250px;
    height:200px;
}
#na:hover{
    animation: mysec 5s linear infinite;
}
#na1{
    width:250px;
    height:200px;
}
#na1:hover{
    animation: mysec 5s linear infinite;
}
#na2{
    width:250px;
    height:200px;
}
#na2:hover{
    animation: mysec 5s linear infinite;
}
#ri{
    padding-top: 1px;
    width: 400px;
    height:83px;
}
#fo{
    padding-top: 20px;
}
.dbd{
    padding-left: 10px;
    padding-top: 20px;
}
#zc{
    padding-left: 80px;
}
#nei{
    padding-top: 10px;
}
.nd{
    padding-left: 30px;
}
.box03{
    display: flex;
}
#nea02{
    float: left;
    padding-left: 80px;
}

.intd{
    padding-left: 80px;
}



footer{
    text-align: center;
    background-color: #83B441;
    height: 50px;
}

3.Javascript

window.onload=function(){
    if(document.getElementById("fo") != null){
        document.getElementById("fo").onsubmit=function(){
            var yhm = document.getElementById("user01");
            var mm = document.getElementById("password01");

            if(!(/^1d{10}$/.test(yhm.value))){          /*用正则表达式,检查输入的用户名格式是否为以1开头的11位数*/
                alert("输入用户名格式错误,请重新输入以1开头的11位数用户名!");
                return false;
            }

            if (mm.value != 12345) {
                alert("密码输入错误,请重新输入!");
                return false;
            }
            return ture;
        }
    }




}

声明:案例中的图片素材来源于网络

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