appservice.java

来自「Extjs2增删改查」· Java 代码 · 共 58 行

package com.tcg.core;

import com.tcg.demo.bean.Student;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.util.List;

/**
 *
 */
public class AppService {

    private static ApplicationContext applicationContext;

    public static ApplicationContext currentContext() {
        if(applicationContext == null){
            applicationContext = new ClassPathXmlApplicationContext("applicationContext*.xml");
        }
        return applicationContext;
    }

    public static void setContext( ApplicationContext context) {
        applicationContext = context;
    }

    /**
     * @return
     */
    public static HibernateService getService() {
        return(HibernateService)currentContext().getBean("hibernateService");
    }

    public static void main(String[] args) {
        String hql = "select ffrom from22 dfdfrom * from sys where id in(select adf from fd sdfs group by dfsdf)";
        String lowerHql = hql.trim().toLowerCase();
        int fromPos = 0;
        if(!lowerHql.startsWith("from ")){
            fromPos = lowerHql.indexOf(" from ")+1;
        }

        String countHql = "";
        if(fromPos == 0)
            countHql = "select count(*) "+hql;
        else
            countHql = "select count(*) "+hql.substring(fromPos);

        List list = AppService.getService().findByQuery("select s from Student s");
        Student student=new Student();
        student.setFather("sds");
        student.setMather("sds");
        student.setName("sds");
        student.setSex("1");
         AppService.getService().save(student);

    }
}