upSercurityData_guanxian/src/main/java/com/example/upsecuritydata/cache/CodeCache.java

package com.example.upsecuritydata.cache;


import com.example.upsecuritydata.entity.SysDict;
import com.example.upsecuritydata.service.SysDictService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Component
public class CodeCache {
	public static Map<String, String> codeMap = new HashMap<String, String>();
	
	@Autowired
	private SysDictService codeService;
	
	@PostConstruct
	public void init(){
		System.out.println("系统启动中。。。加载codeMap");
		List<SysDict> codeList = codeService.selectAll();
		for (SysDict code : codeList) {
			codeMap.put(code.getDictCode(), code.getDictValue());
		}
	}
	
	@PreDestroy
    public void destroy(){
        System.out.println("系统运行结束");
    }
}