iOS转Java环境搭建

 

------------------------------分割线------------------------------ 2023-03-02

一、目录结构

 

二、源码

1.bean、connection、dao、service、servlet

  1 package com.zlj.bean;
  2 
  3 import java.util.Date;
  4 
  5 public class Order {
  6 
  7     private int proid;
  8     private int count;
  9     private int singleprice;
 10     private int sffk;
 11     private  int visible;
 12 
 13     private  String userId;
 14     private  String tel;
 15     private  String address;
 16     private String senddept;
 17 
 18     private String date;
 19 
 20 
 21 
 22     public Order() {
 23         super();
 24     }
 25 
 26     public Order(int proid, int count, int singleprice, String userId, int sffk, String tel, String address, String date, String senddept, int visible) {
 27         this.proid = proid;
 28         this.count = count;
 29         this.singleprice = singleprice;
 30         this.userId = userId;
 31         this.sffk = sffk;
 32         this.tel = tel;
 33         this.address = address;
 34         this.date = date;
 35         this.senddept = senddept;
 36         this.visible = visible;
 37     }
 38 
 39     public int getProid() {
 40         return proid;
 41     }
 42 
 43     public void setProid(int proid) {
 44         this.proid = proid;
 45     }
 46 
 47     public int getCount() {
 48         return count;
 49     }
 50 
 51     public void setCount(int count) {
 52         this.count = count;
 53     }
 54 
 55     public int getSingleprice() {
 56         return singleprice;
 57     }
 58 
 59     public void setSingleprice(int singleprice) {
 60         this.singleprice = singleprice;
 61     }
 62 
 63     public String getUserId() {
 64         return userId;
 65     }
 66 
 67     public void setUserId(String userId) {
 68         this.userId = userId;
 69     }
 70 
 71     public int getSffk() {
 72         return sffk;
 73     }
 74 
 75     public void setSffk(int sffk) {
 76         this.sffk = sffk;
 77     }
 78 
 79     public String getTel() {
 80         return tel;
 81     }
 82 
 83     public void setTel(String tel) {
 84         this.tel = tel;
 85     }
 86 
 87     public String getAddress() {
 88         return address;
 89     }
 90 
 91     public void setAddress(String address) {
 92         this.address = address;
 93     }
 94 
 95     public String getDate() {
 96         return date;
 97     }
 98 
 99     public void setDate(String date) {
100         this.date = date;
101     }
102 
103     public String getSenddept() {
104         return senddept;
105     }
106 
107     public void setSenddept(String senddept) {
108         this.senddept = senddept;
109     }
110 
111     public int getVisible() {
112         return visible;
113     }
114 
115     public void setVisible(int visible) {
116         this.visible = visible;
117     }
118 
119     @Override
120     public String toString() {
121         return "Order{" +
122                 "proid=" + proid +
123                 ", count=" + count +
124                 ", singleprice=" + singleprice +
125                 ", userId='" + userId + '\'' +
126                 ", sffk=" + sffk +
127                 ", tel='" + tel + '\'' +
128                 ", address='" + address + '\'' +
129                 ", date=" + date +
130                 ", senddept='" + senddept + '\'' +
131                 ", visible=" + visible +
132                 '}';
133     }
134 }
bean文件夹下Order.java文件
1 package com.zlj.connection;
2 
3 public interface connection {
4 
5    public void LinkDB();//连接数据库
6 }
connection文件夹connection
 1 package com.zlj.connection;
 2 
 3 import java.sql.DriverManager;
 4 import java.sql.SQLException;
 5 import java.sql.Connection;
 6 
 7 
 8 public class LinkDb implements connection {
 9 
10 
11     public Connection conn;
12     private  String DB_URL="jdbc:mysql://localhost:3306/sale?useUnicode=true&characterEncoding=UTF-8";
13     private String USER="root";
14     private String PASS="long123456";
15 
16     @Override
17     public void LinkDB() { //实现连接书库的方法
18         try {
19             Class.forName("com.mysql.cj.jdbc.Driver");
20             conn = DriverManager.getConnection(DB_URL,USER,PASS);
21         }catch (ClassNotFoundException e){
22             e.printStackTrace();
23         } catch (SQLException throwables){
24             throwables.printStackTrace();
25         }
26     }
27 }
connection文件夹的LinkDb.java
 1 package com.zlj.dao;
 2 
 3 import com.zlj.bean.Order;
 4 
 5 import java.util.List;
 6 
 7 public interface OrderDao {
 8 
 9     List<Order> queryOrder();
10 }
doa文件夹OrderDao
 1 package com.zlj.dao;
 2 
 3 import com.mysql.cj.protocol.Resultset;
 4 import com.zlj.bean.Order;
 5 import com.zlj.connection.LinkDb;
 6 
 7 import java.sql.PreparedStatement;
 8 import java.sql.ResultSet;
 9 import java.sql.SQLException;
10 import java.util.LinkedList;
11 import java.util.List;
12 
13 public class OrderDaoImpl implements OrderDao {
14     @Override
15     public List<Order> queryOrder() {
16 
17 
18         LinkDb linkDb = new LinkDb();//获取数据库
19         linkDb.LinkDB();//链接数据库
20         String sql = "select * from order1";
21         List<Order> resultList = new LinkedList<>();
22 
23         try {
24             PreparedStatement pst = linkDb.conn.prepareStatement(sql);
25             ResultSet resultset = pst.executeQuery();
26             while (resultset.next() == true){
27                 Order order = new Order();
28                 order.setProid(resultset.getInt("proid"));
29                 order.setCount(resultset.getInt("count"));
30                 order.setSingleprice(resultset.getInt("singleprice"));
31                 order.setSffk(resultset.getInt("sffk"));
32                 order.setVisible(resultset.getInt("visible"));
33 
34                 order.setUserId(resultset.getString("userId"));
35                 order.setTel(resultset.getString("tel"));
36                 order.setAddress(resultset.getString("address"));
37                 order.setSenddept(resultset.getString("senddept"));
38                 order.setDate(resultset.getString("date"));
39 
40                 resultList.add(order);
41             }
42 
43         } catch (SQLException e) {
44             e.printStackTrace();
45         }
46 
47         return resultList;
48     }
49 }
OrderDaoImpl
 1 package com.zlj.service;
 2 
 3 import com.zlj.bean.Order;
 4 
 5 import java.util.List;
 6 
 7 public interface OrderSearch {
 8 
 9     List<Order> searchOrder();
10 }
OrderSearch
 1 package com.zlj.service;
 2 import com.zlj.bean.Order;
 3 import com.zlj.dao.OrderDao;
 4 import com.zlj.dao.OrderDaoImpl;
 5 import java.util.List;
 6 
 7 public class OrderSearchImpl implements OrderSearch{
 8 
 9     @Override
10     public List<Order> searchOrder() {
11 
12         OrderDao orderDao = new OrderDaoImpl();
13         return orderDao.queryOrder();
14     }
15 }
OrderSearchImpl
 1 package com.zlj.servlet;
 2 
 3 import com.zlj.bean.Order;
 4 import com.zlj.service.OrderSearch;
 5 import com.zlj.service.OrderSearchImpl;
 6 import net.sf.json.JSONArray;
 7 import net.sf.json.JSONObject;
 8 
 9 import javax.servlet.ServletException;
10 import javax.servlet.annotation.WebServlet;
11 import javax.servlet.http.HttpServlet;
12 import javax.servlet.http.HttpServletRequest;
13 import javax.servlet.http.HttpServletResponse;
14 import java.io.IOException;
15 import java.io.PrintWriter;
16 import java.text.SimpleDateFormat;
17 import java.util.List;
18 
19 @WebServlet("/order")
20 public class OrderServlet extends HttpServlet {
21     @Override
22     protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
23         resp.setContentType("application/json;charset=utf-8");
24         resp.setCharacterEncoding("UTF-8");
25         OrderSearch orderSearch = new OrderSearchImpl();
26         List<Order> resultList = orderSearch.searchOrder();
27         JSONObject jsonObject = new JSONObject();
28         JSONArray listArr = new JSONArray();
29         SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
30         simpleDateFormat.setLenient(false);
31         for (Order order : resultList) {
32             jsonObject.put("proid",order.getProid());
33             jsonObject.put("count",order.getCount());
34             jsonObject.put("singleprice",order.getSingleprice());
35             jsonObject.put("userid",order.getUserId());
36             jsonObject.put("sffk",order.getSffk());
37             jsonObject.put("tel",order.getTel());
38             jsonObject.put("address",order.getAddress());
39             jsonObject.put("date",order.getDate());
40             jsonObject.put("senddept",order.getSenddept());
41             listArr.add(jsonObject);
42         }
43         JSONObject jsonObj = new JSONObject();
44         jsonObj.put("code",200);
45         jsonObj.put("status",true);
46         jsonObj.put("msg","获取成功");
47         jsonObj.put("list",listArr);
48         PrintWriter out = resp.getWriter();
49         out.print(jsonObj);
50         out.flush();
51         out.close();
52     }
53 }
OrderServlet

 

这么多东西，真心没哟Xcode方便，Java没学好，就已经累死在了学Java的路上！！！
jdk安装
官网：https://www.oracle.com/java/technologies/javase-downloads.html
下载地址：https://www.oracle.com/java/technologies/javase-jdk15-downloads.html
终端：java -version 查看是否安装

 idea/eclipse + tomcat + mysql 

eclipse 安装
官网：https://www.eclipse.org/downloads/
下载地址：https://www.eclipse.org/downloads/download.php?file=/oomph/epp/2020-06/R/eclipse-inst-mac64.dmg
idea 安装 www.baidu.com
tomcat:
参考网站
https://www.jianshu.com/p/db08d23049ce
https://www.cnblogs.com/yocichen/p/10478431.html
官网：http://tomcat.apache.org/
下载地址：https://mirrors.bfsu.edu.cn/apache/tomcat/tomcat-9/v9.0.37/bin/apache-tomcat-9.0.37.tar.gz

mysql 
参考：https://juejin.im/post/6844903831298375693
官网：https://www.mysql.com/downloads/
下载地址：https://downloads.mysql.com/archives/community/
客户端：sequel pro (需要查下下载github上面的版本)

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posted @ 2020-09-16 11:59  徒步阳光855  阅读(476)  评论(0)  编辑  收藏  举报