在Vue.js使用配置（SSH框架的附带使用）

Posted 2020-10-16 谮包子

在此之前！请在数据库创建一个lib的数据库！

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【包名com.nf.action】

（文件名BookAction.java）

package com.nf.action;

import com.nf.entity.Book;
import com.nf.service.BookService;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Controller
@Scope("prototype")
public class BookAction extends ActionSupport {
 
 //此jsonMap用于存储JSON格式的数据
    private Map<String,Object> jsonMap = new HashMap();
    public Map<String, Object> getJsonMap() {
  return jsonMap;
 }
 public void setJsonMap(Map<String, Object> jsonMap) {
  this.jsonMap = jsonMap;
 }

 @Autowired
    private BookService bookService;

    public String getAllBook(){
     List<Book> bookList = bookService.getAllBook();
     jsonMap.put("bookList", bookList);
        return "jsonOK";
    }
}

 ==============================================

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【包名com.nf.dao】

{接口名BookDao.java}

package com.nf.dao;

import com.nf.entity.Book;

import java.util.List;

public interface BookDao {

    public List<Book> getAllBook();

}

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【包名com.nf.dao】

（文件名BookDaoImpl.java）

package com.nf.dao;

import com.nf.entity.Book;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.query.Query;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository
@Scope("prototype")
public class BookDaoImpl implements BookDao {

    @Autowired
    private SessionFactory sessionFactory;

    public List<Book> getAllBook() {
        Session session = sessionFactory.getCurrentSession();
        Query<Book> query = session.createQuery("from Book", Book.class);
        List<Book> bookList = query.getResultList();

        return bookList;
    }
}

==============================================

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【com.nf.entity】

（Book.java）

package com.nf.entity;

import javax.persistence.*;

@Entity
@Table(name = "book")
public class Book {
    private Integer id;
    private String name;
    private Integer price;
   
    @Id
    @GeneratedValue(strategy= GenerationType.IDENTITY)
    @Column(name="id")
 public Integer getId() {
  return id;
 }
 public void setId(Integer id) {
  this.id = id;
 }
 
 @Column(name = "name",length = 50,nullable = false)
 public String getName() {
  return name;
 }
 public void setName(String name) {
  this.name = name;
 }
 
 @Column(name = "price",nullable = false)
 public Integer getPrice() {
  return price;
 }
 public void setPrice(Integer price) {
  this.price = price;
 }
  
}

==============================================

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【com.nf.service】

{BookService.java}

package com.nf.service;

import com.nf.entity.Book;

import java.util.List;

public interface BookService {

    public List<Book> getAllBook();
}

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【com.nf.service】

（BookServiceImpl.java）

package com.nf.service;

import com.nf.dao.BookDao;
import com.nf.entity.Book;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

@Service
@Scope("prototype")
public class BookServiceImpl implements BookService {

    @Autowired
    private BookDao bookDao;

    @Transactional
    public List<Book> getAllBook() {
        List<Book> bookList = bookDao.getAllBook();
        //编写游戏规则（业务逻辑代码：没有任何数据库操作）
        return bookList;
    }

}

////////////////////////////////////////////////////////////////////////

数据库配置（mysql）自己改！

#database information
driverClass=com.mysql.cj.jdbc.Driver
jdbcUrl=jdbc:mysql://localhost:3306/lib?serverTimezone=UTC
user=root
password=root

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未完有待编辑！