#include "lrd.h" //头文件
#include "web_api.h"
#include "lrw_custom_body.h"
Action()
{
int i;
//连接数据库
lr_db_connect("StepName=Connect",
"ConnectionString=Provider=OraOLEDB.Oracle.1; Data Source=****; Persist Security Info=True; User ID=****;Password=****",
"ConnectionName=db1",
"ConnectionType=OLEDB",
LAST);
lr_start_transaction("SQL");
NumRows = lr_db_executeSQLStatement("StepName=PerformQuery",
"ConnectionName=db1",
"SQLStatement=select * from p_order",//设置执行数据库脚本
"DatasetName=MyDataset",
LAST );
lr_end_transaction("SQL", LR_AUTO);//获得查询记录所开销的时间
lr_output_message("The query returned %d rows.", NumRows);
//循环读取并输出sql查询得到的值,这里的判断根据需要适当进行修改
while(i<NumRows) {
lr_db_getvalue("StepName=GetValue",
"DatasetName=MyDataset",
"Column=order_id", //Column 为要取得列的值,
"Row=next";
"OutParam=MyOutputParam",
LAST);
lr_output_message("The value is: %s", lr_eval_string("{MyOutputParam}") );
i=i+1;
}
lr_db_disconnect("StepName=Disconnect",
"ConnectionName=db1",
LAST);
return 0;
}
问题1:Action.c(17): Error: C interpreter run time error: Action.c (17): Error -- Unresolved symbol : lr_db_connect.
解决方法:采用协议错误,换成websevice协议后解决。
问题2:Error: Getting db failed {"未将对象引用设置到对象的实例。"}
while(i<NumRows) {
lr_db_getvalue("StepName=GetValue",
"DatasetName=MyDataset", "Column=order_id", //Column 为要取得列的值"Row=next",
OutParam=MyOutputParam",
LAST);
解决方法: Column取值不存在