java调用db2存储过程例子(新手用,熟悉的就不用看了)
搜索java 调用db2(版本为8.2)存储过程 没几个文章能看的,所以决定写点,给以后的新手用,希望我的文章对他们有用和他们能找到我的文章,阿门1. JAVA 调用db2存储过程最简单的例子:
存储过程创建代码:
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sql 代码
[*] SET SCHEMA IES ;
[*]
[*]Create procedure ies.test()
[*]
[*]LANGUAGE SQL
[*]
[*]Update t_ryxx set xm =’xy’ where ryxxid=’xm’
java 代码
[*]conn = DbMaster.getConn();
[*]System.out.println("begin………");
[*]proc = conn.prepareCall("{call test()}");
[*]proc.execute();
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2. Java调用db2带输入参数存储过程的例子:<o:p></o:p>
Db2创建存储过程的代码:<o:p></o:p>
sql 代码
[*]Drop procedure ies.test();
[*]SET SCHEMA IES ;
[*]Create procedure ies.test(in i_ryxxid varchar(50))
[*]LANGUAGE SQL
[*]Update t_ryxx set xm =’xy’ where ryxxid=i_ryxxid
[*]
java 代码
[*]conn = DbMaster.getConn();
[*]System.out.println("begin");
[*]proc = conn.prepareCall("{call test(?)}");
[*]proc.setString(1,"RY0003");
[*]proc.execute();
[*]System.out.println("end:");
3.有输入输出参数的代码:
创建存储过程的代码:
sql 代码
[*]SET SCHEMA IES ;
[*]CREATE PROCEDURE IES.test (IN in_ryxxid varchar(50),out out_xm varchar(50))
[*] LANGUAGE SQL
[*]
[*]select xm into out_xm from ies.t_ryxx where ryxxid=in_ryxxid;
java 代码
[*]proc = conn.prepareCall("{ call test(?,?)}");
[*]proc.setString(1, "011900380103");
[*]proc.registerOutParameter(2, Types.VARCHAR);
[*]proc.execute();
[*]String xm = proc.getString(2);
[*]System.out.println("end:"+xm);
4.带有游标的存储过程(不知道这里的游标什么时候close的。刚开始学,不懂 菜鸟真郁闷)
创建存储过程的代码:(这个存储过程的具体看上面一篇文章:DB2 存储过程开发最佳实践(转载)的最佳实践 3:正确设定游标的返回类型。http://acme1921209.iyunv.com/blog/97829)
sql 代码
[*]SET SCHEMA IES ;
[*]CREATE PROCEDURE IES.test (IN in_state varchar(50))
[*]result set 1
[*]language sql
[*]P1:BEGIN
[*]DECLARE CUR cursor with return for select rybh,xm from ies.t_ryxx where ryzt=in_state with ur;
[*]
[*]OPEN CUR;
[*]
[*]
[*]END P1;
java 代码
[*]proc = conn.prepareCall("{ call test(?)}");
[*]proc.setString(1, "停用");
[*]proc.execute();
[*]rst = proc.getResultSet();
[*]while(rst.next()){
[*] System.err.println(rst.getString(1)+" "+rst.getString(2));
[*] }
====返回多个结果集的处理方法:
db2 8.2 存储过程创建代码:
sql 代码
[*]create procedure getpeople()
[*]dynamic result sets 2
[*]READS SQL DATA
[*]LANGUAGE SQL
[*]BEGIN
[*] DECLARE rs1 CURSOR WITH RETURN TO CLIENT FOR
[*] SELECT RYBH,XM FROM IES.T_RYXX WHERE RYZT='停用' with ur;
[*] DECLARE rs2 CURSOR WITH RETURN TO CALLER FOR
[*] SELECT RYBH ,XM FROM IES.T_RYXX WHERE RYZT='正常' with ur;
[*] OPEN rs1;
[*] OPEN rs2;
[*]END;
java 代码
[*]proc = conn.prepareCall("{ call getpeople()}");
[*]proc.execute();
[*]rst = proc.getResultSet();
[*]int i = 2 ,j = 0;
[*]while(rst.next()&&j//j的作用:记录太多了,只想打印几个测试下
[*] System.out.println(rst.getString(1)+" "+rst.getString(2));
[*] j++;
[*]}
[*]System.err.println("---------------------------------------------");
[*]if (proc.getMoreResults()){ //getMoreResults()具体看api文档
[*] j = 0;
[*] while(rst.next()&&j//j的作用:记录太多了,只想打印几个测试下
[*] System.out.println(rst.getString(1)+" "+rst.getString(2));
[*] j++;
[*] }
[*] }
[*]j = 0;
下面这个附件是ibm官方java调用存储过程的代码,和上面的差不多,大家可以下来看看
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