计算机毕设小程主页
计算机毕设小程Java实战项目一、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 = '_';
//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,"");
}
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("%")) {
wrapper.like(key, entry.getValue().toString().replace("%", ""));
} 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 = "";
if(key.endsWith("_start")) {
columnName = key.substring(0, key.indexOf("_start"));
if(StringUtils.isNotBlank(params.get(key).toString())) {
wrapper.ge(columnName, params.get(key));
}
}
if(key.endsWith("_end")) {
columnName = key.substring(0, key.indexOf("_end"));
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 = "";
if(params.get("order") != null && StringUtils.isNotBlank(params.get("order").toString())) {
order = params.get("order").toString();
}
if(params.get("sort") != null && StringUtils.isNotBlank(params.get("sort").toString())) {
if(order.equalsIgnoreCase("desc")) {
wrapper.orderDesc(Arrays.asList(params.get("sort")));
} else {
wrapper.orderAsc(Arrays.asList(params.get("sort")));
}
}
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 || "".equals(param.trim())) {
return "";
}
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("ABCddfANM"));
}
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(".")) {
newMap.put(pre + newKey, entry.getValue());
} else if (StringUtils.isEmpty(pre)) {
newMap.put(newKey, entry.getValue());
} else {
newMap.put(pre + "." + 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("ASC".equalsIgnoreCase(order));
}
}
public Query(Map<String, Object> params){
this.putAll(params);
//分页参数
if(params.get("page") != null){
currPage = Integer.parseInt((String)params.get("page"));
}
if(params.get("limit") != null){
limit = Integer.parseInt((String)params.get("limit"));
}
this.put("offset", (currPage - 1) * limit);
this.put("page", currPage);
this.put("limit", 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("sidx"));
String order = SQLFilter.sqlInject((String)params.get("order"));
this.put("sidx", sidx);
this.put("order", 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("ASC".equalsIgnoreCase(order));
}
}
public Page<T> getPage() {
return page;
}
public int getCurrPage() {
return currPage;
}
public int getLimit() {
return limit;
}
}<script type="text/javascript">
var vue = new Vue({
el: '#app',
data: {
menu: menu,
roles: []
},
created(){
for(let item in this.menu) {
if(this.menu[item].hasFrontLogin=='是') {
this.roles.push(this.menu[item]);
}
}
},
methods: {
jump(url) {
jump(url)
}
}
})
layui.use(['layer', 'element', 'carousel', 'form', 'http', 'jquery'], 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 = [
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k',
'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R',
'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '0', '1', '2',
'3', '4', '5', '6', '7', '8', '9'
]
var colors = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f']
var sizes = ['14', '15', '16', '17', '18']
var output = []
for (var i = 0; i < len; i++) {
// 随机验证码
var key = Math.floor(Math.random() * chars.length)
codes[i].num = chars[key]
// 随机验证码颜色
var code = '#'
for (var j = 0; j < 6; j++) {
var key = Math.floor(Math.random() * colors.length)
code += colors[key]
}
codes[i].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 = '-' + rotate
codes[i].rotate = 'rotate(' + rotate + 'deg)'
// 随机验证码字体大小
var size = Math.floor(Math.random() * sizes.length)
codes[i].size = sizes[size] + 'px'
}
var str = ''
for(var i = 0;i<codes.length;i++) {
str += '<span style="color:' + codes[i].color + ';transform:' + codes[i].rotate + ';fontSize:' + codes[i].size + ';padding: 0 3px;display:inline-block">'+codes[i].num+'</span>'
}
jquery('#nums').html('').append(str);
}
jquery('#nums').click(function(){
randomString();
})
randomString();
// 登录
form.on('submit(login)', function(data) {
data = data.field;
if (vue.roles.length!=1) {
if (!data.role) {
layer.msg('请选择登录用户类型', {
time: 2000,
icon: 5
});
return false;
}
} else {
data.role = vue.roles[0].tableName;
}
http.request(data.role + '/login', 'get', data, function(res) {
layer.msg('登录成功', {
time: 2000,
icon: 6
});
// 登录凭证
localStorage.setItem('Token', res.token);
var roleName = "";
if(typeof(jquery('#role:checked').attr('title')) == "undefined") {
roleName = vue.roles[0].roleName;
} else {
roleName = jquery('#role:checked').attr('title');
}
localStorage.setItem('role', roleName);
// 当前登录用户角色
localStorage.setItem('userTable', data.role);
localStorage.setItem('sessionTable', data.role);
// 用户名称
localStorage.setItem('adminName', data.username);
http.request(data.role + '/session', 'get', {}, function(res) {
// 用户id
localStorage.setItem('userid', res.data.id);
if(res.data.vip) {
localStorage.setItem('vip', res.data.vip);
}
// 路径访问设置
window.location.href = '../../index.html';
})
});
return false
});
});
/**
* 跳转登录
* @param {Object} tablename
*/
function registerClick(tablename) {
window.location.href = '../' + tablename + '/register.html?tablename=' + tablename;
}
</script>总结
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