SpringBoot实现登陆

1.导入依赖架包

  <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
        </dependency>
        <!-- 核心依赖 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <!-- 可以实现热部署，在IDEA上实现热部署还需一些额外的配置，请查阅资料 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
            <scope>runtime</scope>
        </dependency>

        <!-- JDBC for mysql -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.32</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <!-- mybatis -->
        <!--mybatis-->
        <!-- https://mvnrepository.com/artifact/org.mybatis.spring.boot/mybatis-spring-boot-starter -->
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>1.3.1</version>
        </dependency>

        <!--fastJson-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.12</version>
        </dependency>
        <!--druid-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.18</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.1</version>
        </dependency>
        <!--thymeleaf  新的模板引擎，比jsp要出色-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
        <!--jdbc-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>

        <!-- 分页插件 -->
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper-spring-boot-starter</artifactId>
            <version>1.2.3</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
            </resource>
        </resources>
    </build>

2.实体类                                                                                                                                                                                                                                                                                                                                     

3.dao层接口

4.dao层.xml配置                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             

 5.Service

 6.ServiceImpl

 

 7.Controller

8.application.properties

 9.index页面

<!DOCTYPE html>
<html xmlns: xmlns:th="http://www.w3.org/1999/xhtml" th="http://www.thymeleaf.org">
<head>
    <title>小型进销存(SpringBoot)</title>
    <link rel="stylesheet" href="css/pagination.css"/>
    <script type="text/javascript" src="js/jquery-1.8.3.min.js"></script>
    <script type="text/javascript" src="js/jquery.pagination.js"></script>
    <script>
        $(function () {
            var pd="${byval}";
            $("#sales").hide();
            $("#Products").hide();
            $("#select").hide();
            if (pd=="sales"){
                $("#index").hide();
                $("#Products").hide();
                $("#select").hide();
                $("#sales").show();
            }

        })
        function sales() {
            $("#index").hide();
            $("#Products").hide();
            $("#select").hide();
            $("#sales").show();
            bind();
        }
        function bind() {
            $.ajax({
                type:"POST",
                url:"/getProductList",
                dataType:"JSON",
                success: function(data){
                    $(".product option:not(option[value='0'])").remove();
                    $.each(data,function (i,dom) {
                        $(".product").append("<option value='"+dom.pid+"'>"+dom.productName+"</option>");
                    })

                }
            });
        }
        function products() {
            $("#index").hide();
            $("#sales").hide();
            $("#select").hide();
            $("#Products").show();
            load(0);
        }
        //补0操作
        function getzf(num){
            if(parseInt(num) < 10){
                num = '0'+num;
            }
            return num;
        }
        //str为传入的字符串为毫秒值
        function getMyDate(str){
            var oDate = new Date(str),
                oYear = oDate.getFullYear(),
                oMonth = oDate.getMonth()+1,
                oDay = oDate.getDate(),
                oHour = oDate.getHours(),
                oMin = oDate.getMinutes(),
                oSen = oDate.getSeconds(),
                oTime = oYear +'-'+ getzf(oMonth) +'-'+ getzf(oDay) ;
            //最后拼接时间为 1999-10-02 样式
            return oTime;
        };
        function load(pageNum) {
            var order=$("[name=order]").val();
            $.ajax({
                type:"POST",
                url:"/getListSale",
                data:{"order":order,"pageNum":pageNum},
                dataType:"JSON",
                success: function(pageInfo){
                    $("#prod tr:not(tr:first)").remove();
                    $.each(pageInfo.list,function (i,dom) {
                        $("#prod").append("<tr> " +
                                            "<td>"+dom.sid+"</td>" +
                                            "<td>"+dom.product.productName+"</td> " +
                                            "<td>"+dom.price+"</td> " +
                                            "<td>"+dom.quantity+"</td> " +
                                            "<td>"+dom.totalPrice+"</td>" +
                                            "<td>"+getMyDate(dom.saleDate)+"</td> " +
                                            "<td>"+dom.users.userName+" </td> " +
                                        "</tr></tr> ");
                    })
                    $('#pagination').pagination(pageInfo.total, {
                        current_page : pageNum,
                        items_per_page : pageInfo.pageSize,
                        callback:load,
                        load_first_page : true,
                        prev_text : '上一页',
                        next_text : '下一页'
                    })
                }
            });

        }
        function select() {
            $("#index").hide();
            $("#Products").hide();
            $("#select").show();
            $("#sales").hide();
            bind()
        }
        function sumbit() {
            var order=$("[name=shop]").val();
            $.ajax({
                type:"POST",
                url:"/getProductList",
                dataType:"JSON",
                success: function(data){
                    $("#p").remove();
                    $.each(data,function (i,dom) {
                        if (order==dom.pid) {
                            $("#out").append("<h2 id='p'>该商品的库存数量是："+dom.quantity+"</h2>")
                        }
                    })
                }
            });
        }
    </script>
</head>
<body>
<span id="flag"  th:text="${session.flag}" style="display: none"></span>
<script>
    $(function () {
        var flag=$("#flag").text();
        if(flag=="tianjia"){
            sales()
        }else if(flag=="liebiao"){
            products()
        }else{
            $("#index").show();
            $("#Products").hide();
            $("#select").hide();
            $("#sales").hide();
        }

        $("#myform").submit(function () {
            if($("#product").val()==0){
                alert("请选择商品!");
                return false;
            }
            return true;
        })

    })
</script>
<div align="center">
    <div>
        <table>
            <tr>
                <td> 欢迎：<span th:text="${session.user.userName}"></span>，<a href="/out">退出登录</a></td>
            </tr>
            <tr>
                <td width="50px">
                    <a href="javaScript:;"  onclick="sales()" >销售</a><br><br>
                    <a href="javaScript:;"  onclick="products()">销售信息查询</a><br><br>
                    <a href="javaScript:;"  onclick="select()">查看库存</a><br><br>
                </td>
                <td rowspan="2" >
                    <div style="border: #0c89de 1px solid ; 600px;height: 300px">
                        <div id="index">
                            <br><br><br><br><br>
                            <h1 align="center">欢迎使用小型进销存系统</h1>
                        </div>
                        <div id="sales" align="center">
                                <h2 >添加销售</h2>
                                <form action="/addSale" method="post" id="myform" >
                                 商品名称：<select style="180px;height: 25px" id="product" class="product" name="product">
                                                <option value="0">--请选择商品--</option>
                                            </select><br/><br/>
                                 销售单价：<input style="180px;height: 25px" type="number" name="price" required><br/><br/>
                                 销售数量：<input style="180px;height: 25px" type="number" name="quantity" required><br/><br/>
                                    <input type="submit" value="提交">
                                </form>
                        </div>
                        <div id="Products" align="center">
                                <br><br><br>
                                <span style="font-weight: bolder">销售信息查询:</span>
                                &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                                排序方式：<select name="order">
                                            <option value="0">销售日期</option>
                                            <option value="1">单笔总价</option>
                                          </select>
                            <button  onclick="load(0)">提交</button>
                                <table border="2px" id="prod">
                                    <tr>
                                        <th>ID</th>
                                        <th>商品</th>
                                        <th>单价</th>
                                        <th>数量</th>
                                        <th>总价</th>
                                        <th>销售日期</th>
                                        <th>销售员</th>
                                    </tr>
                                </table>
                            <div class="pagination" id="pagination" ></div>

                        </div>
                        <div id="select" align="center">
                            <br><br><br>
                            <span style="font-weight: bolder">销售信息查询:</span>
                            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                            排序方式：<select name="shop" class="product">
                            <option value="0">--请选择商品--</option>
                        </select>
                            <button onclick="sumbit()" >提交</button>
                            <div id="out">

                            </div>
                        </div>
                    </div>
                </td>
            </tr>
        </table>
    </div>
    <div>

    </div>

</div>
</body>
</html>

10.login页面

<html>
<head>
    <title>登录</title>
</head>
<body>
<div align="center">
    <br/>
     <div align="center" style="background-color:greenyellow ; 600px;height: 250px">
         <br/>
         <div >
             <h1>小型进销存系统(SB)</h1>
             <form method="post" action="/login">
                 用户名：<input type="text" name="username"><br/><br/>
                 密码:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type="password" name="password"><br/><br/>
                 <input type="submit" value="登录">
             </form>
         </div>
     </div>
</div>
</body>
</html>