基于Java的外卖点餐系统

清歌烈酒 · 发表于 2023-3-3 02:54:42

计算机毕设小程主页

一、开发介绍

1.1开发环境
开发语言：Java
数据库：MySQL
系统架构：B/S
后端：Springboot / SSM(Spring+SpringMVC+Mybatis)
前端：Vue
工具：IDEA或者Eclipse、JDK1.8、Maven

二、项目介绍

2.1视频展示

2.2图片展示

用户登录模块：

首页模块：

美食店铺模块：

用户订单模块：

个人信息模块：

注册商家：

商家菜单管理模块：

商家订单管理：

商家店铺信息管理模块：

管理员模块：
用户管理：

商家管理：

订单管理：

三、部分代码设计

/**
* Mybatis-Plus工具类
*/
public class MPUtil {
public static final char UNDERLINE = &#39;_&#39;;

//mybatis plus allEQ 表达式转换
public static Map allEQMapPre(Object bean,String pre) {
   Map<String, Object> map =BeanUtil.beanToMap(bean);
   return camelToUnderlineMap(map,pre);
   }

//mybatis plus allEQ 表达式转换
public static Map allEQMap(Object bean) {
   Map<String, Object> map =BeanUtil.beanToMap(bean);
   return camelToUnderlineMap(map,&#34;&#34;);
   }

public static Wrapper allLikePre(Wrapper wrapper,Object bean,String pre) {
   Map<String, Object> map =BeanUtil.beanToMap(bean);
   Map result = camelToUnderlineMap(map,pre);

return genLike(wrapper,result);
}

public static Wrapper allLike(Wrapper wrapper,Object bean) {
   Map result = BeanUtil.beanToMap(bean, true, true);
return genLike(wrapper,result);
}

public static Wrapper genLike( Wrapper wrapper,Map param) {
Iterator<Map.Entry<String, Object>> it = param.entrySet().iterator();
int i=0;
while (it.hasNext()) {
if(i>0) wrapper.and();
Map.Entry<String, Object> entry = it.next();
String key = entry.getKey();
String value = (String) entry.getValue();
wrapper.like(key, value);
i++;
}
return wrapper;
}

public static Wrapper likeOrEq(Wrapper wrapper,Object bean) {
   Map result = BeanUtil.beanToMap(bean, true, true);
return genLikeOrEq(wrapper,result);
}

public static Wrapper genLikeOrEq( Wrapper wrapper,Map param) {
Iterator<Map.Entry<String, Object>> it = param.entrySet().iterator();
int i=0;
while (it.hasNext()) {
if(i>0) wrapper.and();
Map.Entry<String, Object> entry = it.next();
String key = entry.getKey();
if(entry.getValue().toString().contains(&#34;%&#34;)) {
wrapper.like(key, entry.getValue().toString().replace(&#34;%&#34;, &#34;&#34;));
} else {
wrapper.eq(key, entry.getValue());
}
i++;
}
return wrapper;
}

public static Wrapper allEq(Wrapper wrapper,Object bean) {
   Map result = BeanUtil.beanToMap(bean, true, true);
return genEq(wrapper,result);
}

public static Wrapper genEq( Wrapper wrapper,Map param) {
Iterator<Map.Entry<String, Object>> it = param.entrySet().iterator();
int i=0;
while (it.hasNext()) {
if(i>0) wrapper.and();
Map.Entry<String, Object> entry = it.next();
String key = entry.getKey();
wrapper.eq(key, entry.getValue());
i++;
}
return wrapper;
}

public static Wrapper between(Wrapper wrapper,Map<String, Object> params) {
for(String key : params.keySet()) {
String columnName = &#34;&#34;;
if(key.endsWith(&#34;_start&#34;)) {
columnName = key.substring(0, key.indexOf(&#34;_start&#34;));
if(StringUtils.isNotBlank(params.get(key).toString())) {
wrapper.ge(columnName, params.get(key));
}
}
if(key.endsWith(&#34;_end&#34;)) {
columnName = key.substring(0, key.indexOf(&#34;_end&#34;));
if(StringUtils.isNotBlank(params.get(key).toString())) {
wrapper.le(columnName, params.get(key));
}
}
}
return wrapper;
}

public static Wrapper sort(Wrapper wrapper,Map<String, Object> params) {
String order = &#34;&#34;;
if(params.get(&#34;order&#34;) != null && StringUtils.isNotBlank(params.get(&#34;order&#34;).toString())) {
order = params.get(&#34;order&#34;).toString();
}
if(params.get(&#34;sort&#34;) != null && StringUtils.isNotBlank(params.get(&#34;sort&#34;).toString())) {
if(order.equalsIgnoreCase(&#34;desc&#34;)) {
wrapper.orderDesc(Arrays.asList(params.get(&#34;sort&#34;)));
} else {
wrapper.orderAsc(Arrays.asList(params.get(&#34;sort&#34;)));
}
}
return wrapper;
}

/**
   * 驼峰格式字符串转换为下划线格式字符串
   *
   * @param param
   * @return
   */
public static String camelToUnderline(String param) {
if (param == null || &#34;&#34;.equals(param.trim())) {
return &#34;&#34;;
}
int len = param.length();
StringBuilder sb = new StringBuilder(len);
for (int i = 0; i < len; i++) {
char c = param.charAt(i);
if (Character.isUpperCase(c)) {
sb.append(UNDERLINE);
sb.append(Character.toLowerCase(c));
} else {
sb.append(c);
}
}
return sb.toString();
}

public static void main(String[] ages) {
System.out.println(camelToUnderline(&#34;ABCddfANM&#34;));
}

public static Map camelToUnderlineMap(Map param, String pre) {

Map<String, Object> newMap = new HashMap<String, Object>();
Iterator<Map.Entry<String, Object>> it = param.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<String, Object> entry = it.next();
String key = entry.getKey();
String newKey = camelToUnderline(key);
if (pre.endsWith(&#34;.&#34;)) {
newMap.put(pre + newKey, entry.getValue());
} else if (StringUtils.isEmpty(pre)) {
newMap.put(newKey, entry.getValue());
} else {

newMap.put(pre + &#34;.&#34; + newKey, entry.getValue());
}
}
return newMap;
}
}
/**
* 查询参数
*/
public class Query<T> extends LinkedHashMap<String, Object> {
private static final long serialVersionUID = 1L;
/**
   * mybatis-plus分页参数
   */
private Page<T> page;
/**
   * 当前页码
   */
private int currPage = 1;
/**
   * 每页条数
   */
private int limit = 10;

public Query(JQPageInfo pageInfo) {
//分页参数
      if(pageInfo.getPage()!= null){
         currPage = pageInfo.getPage();
      }
      if(pageInfo.getLimit()!= null){
         limit = pageInfo.getLimit();
      }

      //防止SQL注入（因为sidx、order是通过拼接SQL实现排序的，会有SQL注入风险）
      String sidx = SQLFilter.sqlInject(pageInfo.getSidx());
      String order = SQLFilter.sqlInject(pageInfo.getOrder());

      //mybatis-plus分页
      this.page = new Page<>(currPage, limit);

      //排序
      if(StringUtils.isNotBlank(sidx) && StringUtils.isNotBlank(order)){
         this.page.setOrderByField(sidx);
         this.page.setAsc(&#34;ASC&#34;.equalsIgnoreCase(order));
      }
}

public Query(Map<String, Object> params){
      this.putAll(params);

      //分页参数
      if(params.get(&#34;page&#34;) != null){
         currPage = Integer.parseInt((String)params.get(&#34;page&#34;));
      }
      if(params.get(&#34;limit&#34;) != null){
         limit = Integer.parseInt((String)params.get(&#34;limit&#34;));
      }

      this.put(&#34;offset&#34;, (currPage - 1) * limit);
      this.put(&#34;page&#34;, currPage);
      this.put(&#34;limit&#34;, limit);

      //防止SQL注入（因为sidx、order是通过拼接SQL实现排序的，会有SQL注入风险）
      String sidx = SQLFilter.sqlInject((String)params.get(&#34;sidx&#34;));
      String order = SQLFilter.sqlInject((String)params.get(&#34;order&#34;));
      this.put(&#34;sidx&#34;, sidx);
      this.put(&#34;order&#34;, order);

      //mybatis-plus分页
      this.page = new Page<>(currPage, limit);

      //排序
      if(StringUtils.isNotBlank(sidx) && StringUtils.isNotBlank(order)){
         this.page.setOrderByField(sidx);
         this.page.setAsc(&#34;ASC&#34;.equalsIgnoreCase(order));
      }

}

public Page<T> getPage() {
      return page;
}

public int getCurrPage() {
      return currPage;
}

public int getLimit() {
      return limit;
}
}
<script type=&#34;text/javascript&#34;>
      var vue = new Vue({
         el: &#39;#app&#39;,
         data: {
            menu: menu,
roles: []
         },
         created(){
            for(let item in this.menu) {
                     if(this.menu[item].hasFrontLogin==&#39;是&#39;) {
                              this.roles.push(this.menu[item]);
                     }
            }
         },
         methods: {
            jump(url) {
                  jump(url)
            }
         }
      })
      layui.use([&#39;layer&#39;, &#39;element&#39;, &#39;carousel&#39;, &#39;form&#39;, &#39;http&#39;, &#39;jquery&#39;], function() {
         var layer = layui.layer;
         var element = layui.element;
         var carousel = layui.carousel;
         var form = layui.form;
         var http = layui.http;
         var jquery = layui.jquery;

function randomString() {
var len = 4;
var chars = [
   &#39;a&#39;, &#39;b&#39;, &#39;c&#39;, &#39;d&#39;, &#39;e&#39;, &#39;f&#39;, &#39;g&#39;, &#39;h&#39;, &#39;i&#39;, &#39;j&#39;, &#39;k&#39;,
   &#39;l&#39;, &#39;m&#39;, &#39;n&#39;, &#39;o&#39;, &#39;p&#39;, &#39;q&#39;, &#39;r&#39;, &#39;s&#39;, &#39;t&#39;, &#39;u&#39;, &#39;v&#39;,
   &#39;w&#39;, &#39;x&#39;, &#39;y&#39;, &#39;z&#39;, &#39;A&#39;, &#39;B&#39;, &#39;C&#39;, &#39;D&#39;, &#39;E&#39;, &#39;F&#39;, &#39;G&#39;,
   &#39;H&#39;, &#39;I&#39;, &#39;J&#39;, &#39;K&#39;, &#39;L&#39;, &#39;M&#39;, &#39;N&#39;, &#39;O&#39;, &#39;P&#39;, &#39;Q&#39;, &#39;R&#39;,
   &#39;S&#39;, &#39;T&#39;, &#39;U&#39;, &#39;V&#39;, &#39;W&#39;, &#39;X&#39;, &#39;Y&#39;, &#39;Z&#39;, &#39;0&#39;, &#39;1&#39;, &#39;2&#39;,
   &#39;3&#39;, &#39;4&#39;, &#39;5&#39;, &#39;6&#39;, &#39;7&#39;, &#39;8&#39;, &#39;9&#39;
]
var colors = [&#39;0&#39;, &#39;1&#39;, &#39;2&#39;, &#39;3&#39;, &#39;4&#39;, &#39;5&#39;, &#39;6&#39;, &#39;7&#39;, &#39;8&#39;, &#39;9&#39;, &#39;a&#39;, &#39;b&#39;, &#39;c&#39;, &#39;d&#39;, &#39;e&#39;, &#39;f&#39;]
var sizes = [&#39;14&#39;, &#39;15&#39;, &#39;16&#39;, &#39;17&#39;, &#39;18&#39;]

var output = []
for (var i = 0; i < len; i++) {
   // 随机验证码
   var key = Math.floor(Math.random() * chars.length)
   codes.num = chars[key]
   // 随机验证码颜色
   var code = &#39;#&#39;
   for (var j = 0; j < 6; j++) {
      var key = Math.floor(Math.random() * colors.length)
      code += colors[key]
   }
   codes.color = code
   // 随机验证码方向
   var rotate = Math.floor(Math.random() * 45)
   var plus = Math.floor(Math.random() * 2)
   if (plus == 1) rotate = &#39;-&#39; + rotate
   codes.rotate = &#39;rotate(&#39; + rotate + &#39;deg)&#39;
   // 随机验证码字体大小
   var size = Math.floor(Math.random() * sizes.length)
   codes.size = sizes[size] + &#39;px&#39;
}

var str = &#39;&#39;
for(var i = 0;i<codes.length;i++) {
str += &#39;<span style=&#34;color:&#39; + codes.color + &#39;;transform:&#39; + codes.rotate + &#39;;fontSize:&#39; + codes.size + &#39;;padding: 0 3px;display:inline-block&#34;>&#39;+codes.num+&#39;</span>&#39;
}
jquery(&#39;#nums&#39;).html(&#39;&#39;).append(str);
}

jquery(&#39;#nums&#39;).click(function(){
randomString();
})

randomString();

         // 登录
         form.on(&#39;submit(login)&#39;, function(data) {
            data = data.field;
            if (vue.roles.length!=1) {
            if (!data.role) {
      layer.msg(&#39;请选择登录用户类型&#39;, {
time: 2000,
icon: 5
      });
      return false;
}
            } else {
                     data.role = vue.roles[0].tableName;
            }
            http.request(data.role + &#39;/login&#39;, &#39;get&#39;, data, function(res) {
                  layer.msg(&#39;登录成功&#39;, {
                     time: 2000,
                     icon: 6
                  });
                  // 登录凭证
                  localStorage.setItem(&#39;Token&#39;, res.token);
                  var roleName = &#34;&#34;;
                  if(typeof(jquery(&#39;#role:checked&#39;).attr(&#39;title&#39;)) == &#34;undefined&#34;) {
                    roleName = vue.roles[0].roleName;
                  } else {
                    roleName = jquery(&#39;#role:checked&#39;).attr(&#39;title&#39;);
                  }
                  localStorage.setItem(&#39;role&#39;, roleName);
                  // 当前登录用户角色
                  localStorage.setItem(&#39;userTable&#39;, data.role);
                  localStorage.setItem(&#39;sessionTable&#39;, data.role);
                  // 用户名称
                  localStorage.setItem(&#39;adminName&#39;, data.username);
                  http.request(data.role + &#39;/session&#39;, &#39;get&#39;, {}, function(res) {
                     // 用户id
                     localStorage.setItem(&#39;userid&#39;, res.data.id);
        if(res.data.vip) {
localStorage.setItem(&#39;vip&#39;, res.data.vip);
        }
                     // 路径访问设置
                     window.location.href = &#39;../../index.html&#39;;
                  })

            });
            return false
         });

      });

      /**
      * 跳转登录
      * @param {Object} tablename
      */
      function registerClick(tablename) {
         window.location.href = &#39;../&#39; + tablename + &#39;/register.html?tablename=&#39; + tablename;
      }
</script>总结

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