Experts teach you how to make a simple and beautiful front-end chat interface

The content of this article is about experts teaching you how to make a simple and beautiful front-end chat interface. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

A simple front-end static chat interface that implements the basic functions of chat. The backend has not yet been completed. Next, we will continue to update the backend and improve the frontend style and update it.

1.Html code

nbsp;html>


    <meta>
    <title>chat</title>
    <link>
    <script></script>


<p>
    </p><p>
        <!--banner-->
        </p><p>

        </p>

        <p>
            <!--在线列表-->
            </p><p>
                <!--搜索-->
                </p><p>
                    </p>

                                             

                                 

                    

                        
•                             

                                  

                                      

                                          黄                                     

                                                                   

                                      

  天狼星

                                      

  4-12-15:10

                                                                                        
                        
•                             

                                  

                                      

                                          黄                                     

                                                                   

                                      

  天狼星

                                      

  4-12-15:10

                                                                                        
                        
•                             

                                  

                                      

                                          黄                                     

                                                                   

                                      

  天狼星

                                      

  4-12-15:10

                                                                                        
                        
•                             

                                  

                                      

                                          黄                                     

                                                                   

                                      

  天狼星

                                      

  4-12-15:10

                                                                                        
                    

                                                       

                

                    

                    

                                 

                    

                                                                      

                                                       

            

             

2.CSS code

Some places that need attention have been marked with comments

* {
    margin: 0;
    padding: 0;
    font-size: 12px;
    font-family: "微软雅黑";
}

.all {
    width: 100%;
    height: 790px;
    /*background-color: #7fa4f2;*/
    background: linear-gradient(to right, #879eee, #ba78dc); /* 标准的语法 */

}

.chat_index {
    width: 1000px;
    height: 600px;
    border: 1px solid black;
    position: relative;
    top: 100px;
    margin: 0 auto;
}

.chat_banner {
    background: linear-gradient(to right, #a41adc, #ee1351, #a41adc); /* 标准的语法 */
    width: 999px;
    height: 50px;
    border: 1px solid blue;
}

.chat_body {
    width: 999px;
    height: 546px;
    border: 1px solid red;
}

.chat_online {
    overflow: hidden;
    float: left;
    height: 546px;
    width: 200px;
    border: 1px solid yellow;
    background-color: white;
}

.search_online {
    text-indent: 2em;
    height: 40px;
    border: 1px solid black;
}

.search_online input[type="text"] {
    outline: none;
    margin: 2px auto;
    height: 30px;
    width: 60%;
    border-radius: 8px;
    text-indent: 2em;
}

.online_friend ul li {

    list-style-type: none;
}

.online_friend ul li {

    height: 60px;
    border-bottom: 1px solid #1c1f21;
    margin-top: 10px;
}

.a_friend {

    /*border: 1px solid #2328ff;*/
    height: 55px;
    background-color: #39fffe;

}

.head_portrait {

    background-color: #b532ff;
    margin: 6px 6px;
    float: left;
    height: 40px;
    width: 40px;
    border: 1px solid orangered;
    border-radius: 50%;
}

.head_text {
    padding: 3px;
    font-size: 22px;
    text-align: center;
    vertical-align: center;
    margin-top: 3px;
}

.friend {

    float: right;
    height: 54px;
    width: 140px;
    /*border: 1px solid rebeccapurple;*/
}

.friend .name {

    margin: 4px 6px;
    float: left;
}

.friend .this_time {
    margin-top: 4px;
    float: right;
}

.chat_main {
    float: left;
    width: 548px;
    height: 546px;
    border: 1px solid seagreen;
    /*background-color: white;*/
    background: url("../img/圣诞.jpg") no-repeat;
    background-size: cover;
}

.send_message {
    width: 548px;
    height: 65px;
    position: absolute;
    bottom: 0px;
    background: linear-gradient(to top, rgba(9, 216, 237, 0.99), #72cad4);
}

.send_message input[type="text"] {
    width: 470px;
    height: 30px;
    margin-top: 16px;
    margin-left: 10px;
    border-radius: 10px 0 0 10px;
    text-indent: 2em;
    outline: none;
    background-color: white;
    border: none;
}

.send_message input[type="button"] {
    border-radius: 0 10px 10px 0;
    width: 35px;
    height: 30px;
    background-color: white;
    border: none;
    margin-left: 0;
    background-color: white;
    border: none;
    outline: none;

}

.send_message input[type="button"]:hover {
    background-color: orangered;
}

.send_message input[type="button"]:active {
    background-color: #879eee;
}

.chat_namecard {
    float: left;
    width: 245px;
    height: 546px;
    border: 1px solid saddlebrown;
    background-color: #f1fea9;
}


.chat_content ul{
list-style-type: none;
}
.chat_content{
    overflow: auto;
    width: 540px;
    /*设置高度滚动条才有效*/
    height: 470px;
}
.chat_content li{
    margin-top: 10px;
    width: 540px;
    clear: both;
    display: block;

}

.chat_content li img{
    margin: 6px 0 0 0;
}

.chat_content li span {
    background: #ffd351;
    padding: 10px;
    border-radius: 10px;
    /*最大宽度不能太长，不然布局会混乱*/
    max-width: 400px;
    border: 1px solid white;
    box-shadow: 0 0 3px #879eee;
    margin: 6px 10px 0 10px;
    overflow: hidden;
}

.chat_content li img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.chat_content li img.imgleft {
 margin-left: 10px;
    float: left;
}

.chat_content li img.imgright {
 margin-right: 10px;
    float: right;
}

.chat_content li span.spanleft {
    float: left;
}

.chat_content li span.spanright {
    float: right;
}

3. JS code

window.onload = function () {
    var user = ["../img/img_17.jpg"];
    var num = 1;//判断左右
    var portrait_position = 0;
    var now = -1;//左右浮动
    var send_btn = document.getElementById('send_btn');
    var send_txt = document.getElementById('send_txt');
    var chat_ul = document.getElementById('chat_ul');
    var chat_span = chat_ul.getElementsByTagName('span');
    var chat_img = chat_ul.getElementsByTagName('img');
    send_btn.onclick = function () {
        if (send_txt.value == '') {
            alert("请不要惜字如金");
        } else {
            chat_ul.innerHTML += '

' + send_txt.value + '';             now++;             if (num==0) {                 chat_span[now].className = 'spanright';                 chat_img[now].className = 'imgright';             }              else {                 chat_span[now].className = 'spanleft';                 chat_img[now].className = 'imgleft';             }             send_txt.value = '';             // 内容过多时,将滚动条放置到最底端             /*contentcontent.scrollTop = content.scrollHeight;*/         }     } }

num Whether the message is displayed on the left or the right, operated according to the background request

4. Interface screenshot

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