基于javaweb+jsp的垃圾分类查询管理系统(JavaWeb JSP MySQL Servlet SSM SpringBoot Layui Ajax)

基于javaweb+jsp的垃圾分类查询管理系统(JavaWeb JSP MySQL Servlet SSM SpringBoot Layui Ajax)

JavaWeb JavaBean JSP MVC MySQL Tomcat JavaScript Layui Ajax

基础JSP+Servlet或JSP+SSM(Spring、SpringMVC、MyBatis)框架或JSP+SSM+Maven(pom.xml)框架或SpringBoot…均可

开发工具：eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

    @RequestMapping("authResetPassword")
    public void resetPassword(HttpServletResponse response, HttpServletRequest request) throws IOException, ServletException {
        String msg;
        User loginUser = (User) request.getSession().getAttribute("loginUser");
        String oldPassword = Util.decode(request, "oldPassword");
        if (!loginUser.getPassword().equals(oldPassword)) {
            msg = "原密码错误！";
        } else {
            String newPassword = Util.decode(request, "newPassword");
            loginUser.setPassword(newPassword);
            this.userService.update(loginUser);
            msg = "修改成功！";
        }
        request.getSession().setAttribute("alert_msg", msg);
        request.getRequestDispatcher("reset_password.jsp").forward(request, response);
    }

    // 返回一个随机颜色（Color对象）
    private Color getRandomColor(int minColor, int maxColor) {
        Random random = new Random();
        // 保存minColor最大不会超过255
        if (minColor > 255)
            minColor = 255;
        //  保存minColor最大不会超过255
        if (maxColor > 255)
            maxColor = 255;

                layer.open({
                    type: 2,
                    area: ['800px', '550px'],
                    fixed: false, //不固定
                    maxmin: true,
                    content: 'noticeEditPre?id=' + data.id
                });
                obj.update({});//同步更新缓存对应的值
            } else if (layEvent === 'info') { //详情
                layer.open({
                    type: 2,
                    area: ['800px', '650px'],
                    fixed: false, //不固定
                    maxmin: true,
                    content: 'noticeGet?id=' + data.id
                });
                obj.update({});//同步更新缓存对应的值
            } else if (layEvent === 'LAYTABLE_TIPS') {
                layer.alert('Hi，头部工具栏扩展的右侧图标。');
            }
        });
        //头工具栏事件
        table.on('toolbar(myTable)', function (obj) {
            if ('add' == obj.event) {

    <update id="doUpdate" parameterType="com.demo.vo.Notice">
        UPDATE `t_notice`
        <set>
                <if test ='id != null'>`id` = #{id},</if>
                <if test ='noticeName != null'>`notice_name` = #{noticeName},</if>
                <if test ='noticeText != null'>`notice_text` = #{noticeText},</if>
                <if test ='noticeType != null'>`notice_type` = #{noticeType},</if>
                <if test ='createDate != null'>`create_date` = #{createDate}</if>
        </set>
        WHERE `id` = #{id}
    </update>

    <!--获取-->

                    <if test ='lajiText != null'>#{lajiText}</if>
        </trim>
    </insert>

    <!--批量删除-->
    <delete id="doRemoveBatch" parameterType="java.util.Collection">
        DELETE FROM `t_laji` WHERE `id` IN
        <foreach collection="list" item="id" separator="," open="(" close=")">
            #{id}
        </foreach>
    </delete>

    <!--修改-->
    <update id="doUpdate" parameterType="com.demo.vo.Laji">
        UPDATE `t_laji`
        <set>
                <if test ='id != null'>`id` = #{id},</if>
                <if test ='lajiName != null'>`laji_name` = #{lajiName},</if>
                <if test ='lajiLei != null'>`laji_lei` = #{lajiLei},</if>
                <if test ='lajiSuoming != null'>`laji_suoming` = #{lajiSuoming},</if>
                <if test ='lajiFangshi != null'>`laji_fangshi` = #{lajiFangshi},</if>

<script>
    //JavaScript代码区域
    layui.use('element', function () {
        let element = layui.element;
    });
</script>
<script type="text/html" id="myToolbar">
    <div class="layui-btn-container">
        <c:if test="${loginUser.userType == '管理员'}"><button class='layui-btn layui-btn-sm' lay-event='add'>添加</button></c:if>
    </div>
</script>
<script>
    function arrayBufferToBase64(buffer) {
        let binary = '';
        let bytes = new Uint8Array(buffer);
        let len = bytes.byteLength;
        for (let i = 0; i < len; i++) {
            binary += String.fromCharCode(bytes[i]);
        }
        return window.btoa(binary);
    }

    layui.use('table', function () {
        let table = layui.table;
        table.render({
            elem: '#myData',

                    "code": 0, //解析接口状态
                    "msg": '', //解析提示文本
                    "count": res.length, //解析数据长度（集合个数）
                    "data": result //解析数据列表
                };
            },
            page: { //支持传入 laypage 组件的所有参数（某些参数除外，如：jump/elem） - 详见文档
                layout: ['limit', 'count', 'prev', 'page', 'next', 'skip'], //自定义分页布局
                groups: 1, //只显示 1 个连续页码
                first: false, //不显示首页
                last: false, //不显示尾页
            },
            toolbar: '#myToolbar', //开启头部工具栏，并为其绑定左侧模板
            defaultToolbar: ['filter', 'exports', 'print', { //自定义头部工具栏右侧图标。如无需自定义，去除该参数即可
                title: '提示',
                layEvent: 'LAYTABLE_TIPS',
                icon: 'layui-icon-tips'
            }],
            title: '用户列表',
            cols: [
                [

        vo.setId(Long.valueOf(Util.decode(request, "id")));
        vo.setLajiName(Util.decode(request, "lajiName"));
        vo.setLajiLei(Util.decode(request, "lajiLei"));
        vo.setLajiSuoming(Util.decode(request, "lajiSuoming"));
        vo.setLajiFangshi(Util.decode(request, "lajiFangshi"));
        vo.setLajiText(Util.decode(request, "lajiText"));
        lajiService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取垃圾的详细信息（详情页面与编辑页面要显示该垃圾的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException

            } else if (layEvent === 'info') { //详情
                layer.open({
                    type: 2,
                    area: ['800px', '650px'],
                    fixed: false, //不固定
                    maxmin: true,
                    content: 'noticeGet?id=' + data.id
                });
                obj.update({});//同步更新缓存对应的值
            } else if (layEvent === 'LAYTABLE_TIPS') {
                layer.alert('Hi，头部工具栏扩展的右侧图标。');
            }
        });
        //头工具栏事件
        table.on('toolbar(myTable)', function (obj) {
            if ('add' == obj.event) {

import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * 拦截器
 */
public class LoginInterceptor implements HandlerInterceptor {

    //@Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {
        HttpSession session = request.getSession();
        //移除错误提示
        session.removeAttribute("alert_msg");
        //登录拦截
        String uri = request.getRequestURI().substring(request.getRequestURI().lastIndexOf("/"));
        String[] access = new String[]{"login", "logout", "register", ".css", ".js", ".png", ".jpg", "validationCode"};
        for (String action : access) {

        vo.setNoticeType(Util.decode(request, "noticeType"));
        vo.setCreateDate(Util.decode(request, "createDate"));
        //调用Service层的增加（insert）方法
        noticeService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除公告
     *
     * @param response
     * @param request
     * @throws IOException
     */

import javax.servlet.http.HttpSession;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;

@Controller
public class AuthController extends HttpServlet {
    @Autowired
    private UserService userService;

    @RequestMapping("authLogin")
    public void login(HttpServletResponse response, HttpServletRequest request) throws IOException, ServletException {
        String username = Util.decode(request, "username");
        String password = Util.decode(request, "password");

        String validationCode = Util.decode(request, "validationCode");
        if (validationCode != null && !validationCode.equals(request.getSession().getAttribute("validationCode"))) {//验证码不通过
            request.getSession().setAttribute("alert_msg", "错误：验证码不正确！");
            request.getRequestDispatcher("login.jsp").forward(request, response);
            return;

运行环境

Java≥6、Tomcat≥7.0、MySQL≥5.5

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

技术框架

JavaWeb JavaBean JSP MVC MySQL Tomcat JavaScript Layui Ajax

基础JSP+Servlet或JSP+SSM(Spring、SpringMVC、MyBatis)框架或JSP+SSM+Maven(pom.xml)框架或SpringBoot…均可

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

登录、注册、退出、用户模块、公告模块、分类模块、垃圾模块的增删改查管理