调用无入参的函数 函数定义 CREATE OR REPLACE Function f_getstring Return Varchar2 Is Begin Return ''String value''; End f_getstring; 调用函数的Java.片断 CallableStatement cstmt = con.prepareCall("{?=call f_getstring}"); cstmt.registerOutParameter(1, Types.VARCHAR); cstmt.execute(); String strValue = cstmt.getString(1); System.out.println("The return value is:" + strValue); cstmt.close(); 调用有一个入参,一个输出参数以及一个字符串返回值的函数 函数定义 CREATE OR REPLACE Function f_Getinfo(Id Integer, Age Out Integer) Return Varchar2 Is Begin Age := 10; Return ''The age is:'' || Id; End f_Getinfo; 调用函数的Java代码片断 CallableStatement cstmt = con .prepareCall("{?=call f_getinfo(?,?)}"); cstmt.registerOutParameter(1, Types.VARCHAR); cstmt.setInt(2, 11); cstmt.registerOutParameter(3, Types.INTEGER); cstmt.execute(); String strValue = cstmt.getString(1); int age = cstmt.getInt(3); System.out.println("The return value is:" + strValue + " and age is:" + age); cstmt.close();
oracle function java调用
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