rolebusiness.java

企业进销存源码

package com.business;

import java.util.HashMap;

import com.business.vo.Role;
import com.dao.util.DaoImp;
import com.web.util.WebTools;

/**
 * @author Administrator
 *
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public class RoleBusiness {
	public String getNameById(String id) throws Exception{
		try{
			String str = "select roleName from role where roleid = "+id;
			DaoImp dao = new DaoImp();
			return WebTools.showEx(dao.find(str).get("ROLENAME"));
		}catch(Exception e){
			return "";
		}
	}
	
	public void add(Role vo) throws Exception{
		try{
			String str = "insert into Role(roleName,roleDesc) values('"+vo.getRoleName()+"','"+vo.getRoleDesc()+"')";
			DaoImp dao = new DaoImp();
			dao.insert(str);
		}catch(Exception e){
			throw e;
		}
	}
	public void edit(Role vo) throws Exception{
		try{
			String str = "update role set roleName = '"+vo.getRoleName()+"',roleDesc = '"+vo.getRoleDesc()+"' where roleId = "+vo.getRoleId();
			DaoImp dao = new DaoImp();
			dao.insert(str);
		}catch(Exception e){
			throw e;
		}
	}
	public void remove(Role vo) throws Exception{
		try{
			String str = "delete from Role where roleId = "+vo.getRoleId();
			DaoImp dao = new DaoImp();
			dao.insert(str);
		}catch(Exception e){
			throw e;
		}
	} 
	
	public HashMap find(String key) throws Exception{
		try{
			String str = "select * from Role where roleId = "+key+"";
			DaoImp dao = new DaoImp();
			return dao.find(str);
		}catch(Exception e){
			return null;
		}
	} 
}