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项目名称
java ssm 框架的点歌零碎的设计与实现源码
下载地址
下载地址
零碎阐明
4.2 零碎性能
4.2.1 登录与注册性能
零碎的登录分为了前台登录和后盾登录两个模块,都别离处在不同的界面上的,独特的特点就是用户别离键入用户名明码后提交给零碎进行解决,如果登录胜利后即可跳转界面,登录不通过的话就会进行谬误提醒。
4.2.2 新闻布告性能
零碎须要有新闻布告的查看以及后盾的治理性能次要是为了提供给零碎前台用户以音乐征询的查问,这样能够使得零碎更加专业化,信息更加全面化而不是繁多的音乐播放这一性能。
4.2.3 音乐分类性能
一个音乐点歌网站是领有成千上万的音乐单曲的,如果不提供分类性能的话对于没有选择性的用户来说如何对这么多的音乐进行抉择是一件非常苦楚的事件。
4.2.4 音乐在线播放性能
零碎既然是 web 零碎就须要提供音乐的在线播放性能而不是仅仅提供音乐的下载,一个是不便了用户在线的音乐收听还能够留住用户在零碎上的应用工夫。
4.2.5 留言治理性能
零碎的前台须要有留言性能是十分要害的,通过零碎用户的在线交换能够减少用户之间的互动性让零碎用户更加对系统进行依赖和青睐。
4.3 零碎数据库设计
数据库是本零碎的外围和根底。数据库设计将间接决定一个程序的好坏,是一个十分重要的环节,如果把一个我的项目比喻为一栋修建,那么数据库就是这栋修建的地基,地基好坏将间接决定这栋楼的巩固性,所以在晚期设计数据库的时候就要多方面、多角度思考,甚至要思考到前期保护。
环境须要
1. 运行环境:最好是 java jdk 1.8,咱们在这个平台上运行的。其余版本实践上也能够。
2.IDE 环境:IDEA,Eclipse,Myeclipse 都能够。举荐 IDEA;
3.tomcat 环境:Tomcat 7.x,8.x,9.x 版本均可
4. 硬件环境:windows 7/8/10 1G 内存以上;或者 Mac OS;
5. 数据库:MySql 5.7 版本;
6. 是否 Maven 我的项目:否;
技术栈
- 后端:Spring+SpringMVC+Mybatis
- 前端:JSP+CSS+JavaScript+jQuery
应用阐明
- 应用 Navicat 或者其它工具,在 mysql 中创立对应名称的数据库,并导入我的项目的 sql 文件;
- 应用 IDEA/Eclipse/MyEclipse 导入我的项目,Eclipse/MyEclipse 导入时,若为 maven 我的项目请抉择 maven;
若为 maven 我的项目,导入胜利后请执行 maven clean;maven install 命令,而后运行; - 将我的项目中 springmvc-servlet.xml 配置文件中的数据库配置改为本人的配置;
- 运行我的项目,在浏览器中输出 http://localhost:8080/ 登录
运行截图
用户管理控制层:
package com.houserss.controller;
import javax.servlet.http.HttpSession;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import com.houserss.common.Const;
import com.houserss.common.Const.Role;
import com.houserss.common.ServerResponse;
import com.houserss.pojo.User;
import com.houserss.service.IUserService;
import com.houserss.service.impl.UserServiceImpl;
import com.houserss.util.MD5Util;
import com.houserss.util.TimeUtils;
import com.houserss.vo.DeleteHouseVo;
import com.houserss.vo.PageInfoVo;
/**
- Created by admin
*/
@Controller
@RequestMapping(“/user/”)
public class UserController {
@Autowired
private IUserService iUserService;
/**
* 用户登录
* @param username
* @param password
* @param session
* @return
*/
@RequestMapping(value = "login.do",method = RequestMethod.POST)
@ResponseBody
public ServerResponse<User> login(User user,String uvcode, HttpSession session){String code = (String)session.getAttribute("validationCode");
if(StringUtils.isNotBlank(code)) {if(!code.equalsIgnoreCase(uvcode)) {return ServerResponse.createByErrorMessage("验证码不正确");
}
}
ServerResponse<User> response = iUserService.login(user.getUsername(),user.getPassword());
if(response.isSuccess()){session.setAttribute(Const.CURRENT_USER,response.getData());
}
return response;
}
}
管理员管理控制层:
package com.sxl.controller.admin;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import com.sxl.controller.MyController;
@Controller(“adminController”)
@RequestMapping(value = “/admin”)
public class AdminController extends MyController {
@RequestMapping(value = "/index")
public String frame(Model model, HttpServletRequest request)throws Exception {return "/admin/index";}
@RequestMapping(value = "/main")
public String main(Model model, HttpServletRequest request)throws Exception {return "/admin/main";}
@RequestMapping(value = "/tj1")
public String tj1(Model model, HttpServletRequest request)throws Exception {String sql="select DATE_FORMAT(insertDate,'%Y-%m-%d') dates,sum(allPrice) price from t_order order by DATE_FORMAT(insertDate,'%Y-%m-%d') desc";
List<Map> list = db.queryForList(sql);
model.addAttribute("list", list);
System.out.println(list);
return "/admin/tj/tj1";
}
@RequestMapping(value = "/password")
public String password(Model model, HttpServletRequest request)throws Exception {return "/admin/password";}
@RequestMapping(value = "/changePassword")
public ResponseEntity<String> loginSave(Model model,HttpServletRequest request,String oldPassword,String newPassword) throws Exception {Map admin = getAdmin(request);
if(oldPassword.equals(admin.get("password").toString())){
String sql="update t_admin set password=? where id=?";
db.update(sql, new Object[]{newPassword,admin.get("id")});
return renderData(true,"1",null);
}else{return renderData(false,"1",null);
}
}
}
批改明码业务逻辑:
package com.sxl.controller.admin;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import com.sxl.controller.MyController;
@Controller(“userController”)
@RequestMapping(value = “/user”)
public class UserController extends MyController {
@RequestMapping(value = "/index")
public String frame(Model model, HttpServletRequest request)throws Exception {return "/user/index";}
@RequestMapping(value = "/main")
public String main(Model model, HttpServletRequest request)throws Exception {return "/user/main";}
@RequestMapping(value = "/password")
public String password(Model model, HttpServletRequest request)throws Exception {return "/user/password";}
@RequestMapping(value = "/changePassword")
public ResponseEntity<String> loginSave(Model model,HttpServletRequest request,String oldPassword,String newPassword) throws Exception {Map user = getUser(request);
if(oldPassword.equals(user.get("password").toString())){
String sql="update t_user set password=? where id=?";
db.update(sql, new Object[]{newPassword,user.get("id")});
return renderData(true,"1",null);
}else{return renderData(false,"1",null);
}
}
@RequestMapping(value = "/mine")
public String mine(Model model, HttpServletRequest request)throws Exception {
Map user =getUser(request);Map map = db.queryForMap(“select * from t_user where id=?”,new Object[]{user.get(“id”)});model.addAttribute(“map”, map); return “/user/mine”;
}
@RequestMapping(value = "/mineSave")
public ResponseEntity<String> mineSave(Model model,HttpServletRequest request,Long id
,String username,String password,String name,String gh,String mobile) throws Exception{
int result = 0;
String sql="update t_user set name=?,gh=?,mobile=? where id=?";
result = db.update(sql, new Object[]{name,gh,mobile,id});
if(result==1){return renderData(true,"操作胜利",null);
}else{return renderData(false,"操作失败",null);
}
}
}
通用治理模块:
package com.sxl.controller;
import java.nio.charset.Charset;
import java.util.Locale;
import java.util.ResourceBundle;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import com.sxl.util.JacksonJsonUtil;
import com.sxl.util.StringUtil;
import com.sxl.util.SystemProperties;
public class BaseController {
public static final Long EXPIRES_IN = 1000 * 3600 * 24 * 1L;// 1 天
@Autowired
private SystemProperties systemProperties;
/**
* 取得配置文件内容
*/
public String getConfig(String key) {return systemProperties.getProperties(key);
}
/**
* 返回服务器地址 like http://192.168.1.1:8441/UUBean/
*/
public String getHostUrl(HttpServletRequest request) {String hostName = request.getServerName();
Integer hostPort = request.getServerPort();
String path = request.getContextPath();
if (hostPort == 80) {return "http://" + hostName + path + "/";} else {return "http://" + hostName + ":" + hostPort + path + "/";}
}
/***
* 获取以后的 website 门路 String
*/
public static String getWebSite(HttpServletRequest request) {String returnUrl = request.getScheme() + "://"
+ request.getServerName();
if (request.getServerPort() != 80) {returnUrl += ":" + request.getServerPort();
}
returnUrl += request.getContextPath();
return returnUrl;
}
/**
* 初始化 HTTP 头.
*
* @return HttpHeaders
*/
public HttpHeaders initHttpHeaders() {HttpHeaders headers = new HttpHeaders();
MediaType mediaType = new MediaType("text", "html",
Charset.forName("utf-8"));
headers.setContentType(mediaType);
return headers;
}
/**
* 返回 信息数据
*
* @param status
* @param msg
* @return
*/
public ResponseEntity<String> renderMsg(Boolean status, String msg) {if (StringUtils.isEmpty(msg)) {msg = "";}
String str = "{\"status\":\"" + status + "\",\"msg\":\""+ msg +"\"}";
ResponseEntity<String> responseEntity = new ResponseEntity<String>(str,
initHttpHeaders(), HttpStatus.OK);
return responseEntity;
}
/**
* 返回 obj 数据
*
* @param status
* @param msg
* @param obj
* @return
*/
public ResponseEntity<String> renderData(Boolean status, String msg,
Object obj) {if (StringUtils.isEmpty(msg)) {msg = "";}
StringBuffer sb = new StringBuffer();
sb.append("{");
sb.append("\"status\":\"" + status + "\",\"msg\":\""+ msg +"\",");
sb.append("\"data\":" + JacksonJsonUtil.toJson(obj) + "");
sb.append("}");
ResponseEntity<String> responseEntity = new ResponseEntity<String>(sb.toString(), initHttpHeaders(), HttpStatus.OK);
return responseEntity;
}
/***
* 获取 IP(如果是多级代理,则失去的是一串 IP 值)*/
public static String getIpAddr(HttpServletRequest request) {String ip = request.getHeader("x-forwarded-for");
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {ip = request.getHeader("Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {ip = request.getHeader("WL-Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {ip = request.getRemoteAddr();
}
if (ip != null && ip.length() > 0) {String[] ips = ip.split(",");
for (int i = 0; i < ips.length; i++) {if (!"unknown".equalsIgnoreCase(ips[i])) {ip = ips[i];
break;
}
}
}
return ip;
}
/**
* 国际化取得语言内容
*
* @param key
* 语言 key
* @param args
* @param argsSplit
* @param defaultMessage
* @param locale
* @return
*/
public static String getLanguage(String key, String args, String argsSplit,
String defaultMessage, String locale) {
String language = "zh";
String contry = "cn";
String returnValue = defaultMessage;
if (!StringUtil.isEmpty(locale)) {
try {String[] localeArray = locale.split("_");
language = localeArray[0];
contry = localeArray[1];
} catch (Exception e) {}}
try {
ResourceBundle resource = ResourceBundle.getBundle("lang.resource",
new Locale(language, contry));
returnValue = resource.getString(key);
if (!StringUtil.isEmpty(args)) {String[] argsArray = args.split(argsSplit);
for (int i = 0; i < argsArray.length; i++) {returnValue = returnValue.replace("{" + i + "}",
argsArray[i]);
}
}
} catch (Exception e) { }
return returnValue;
}
}
源码获取:
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