package db;
import java.io.*;
import java.net.*;
import java.sql.Connection;import java.sql.ResultSet;
import java.sql.Statement;
import javax.servlet.*;
import javax.servlet.http.*;/**
*
* @author Administrator
*/
public class executeWay extends DataConn { private Connection dbConn;
private Statement stmt;
private ResultSet rs;
private int errNum;
private String errDesc; public void main() {
} public executeWay() {
dbConn = super.getConnection();
stmt = null;
rs = null;
errNum = 0;
errDesc = "";
} public boolean exeSqlUpdate(String strSql) {
try {
stmt = (Statement) dbConn.createStatement();
rs = stmt.executeUpdate(strSql); 这个地方提示:不兼容的类型 找到: int 需要 java.sql.ResultSet,我已经引入java.sql.ResultSet了啊。 this.errNum = 0; } catch (Exception ex) { this.errNum = -1;
this.errDesc = ex.toString();
return false;
} finally { }
} public ResultSet exeSqlQuery(String strSql) { try {
stmt = (Statement) dbConn.createStatement();
rs = stmt.executeQuery(strSql);
this.errNum = 0; } catch (Exception ex) { this.errNum = -1;
this.errDesc = ex.toString();
rs = null;
} finally { }
return rs;
} public int getErrNum() {
return errNum; } public String getErrDesc() {
return errDesc;
}
import java.io.*;
import java.net.*;
import java.sql.Connection;import java.sql.ResultSet;
import java.sql.Statement;
import javax.servlet.*;
import javax.servlet.http.*;/**
*
* @author Administrator
*/
public class executeWay extends DataConn { private Connection dbConn;
private Statement stmt;
private ResultSet rs;
private int errNum;
private String errDesc; public void main() {
} public executeWay() {
dbConn = super.getConnection();
stmt = null;
rs = null;
errNum = 0;
errDesc = "";
} public boolean exeSqlUpdate(String strSql) {
try {
stmt = (Statement) dbConn.createStatement();
rs = stmt.executeUpdate(strSql); 这个地方提示:不兼容的类型 找到: int 需要 java.sql.ResultSet,我已经引入java.sql.ResultSet了啊。 this.errNum = 0; } catch (Exception ex) { this.errNum = -1;
this.errDesc = ex.toString();
return false;
} finally { }
} public ResultSet exeSqlQuery(String strSql) { try {
stmt = (Statement) dbConn.createStatement();
rs = stmt.executeQuery(strSql);
this.errNum = 0; } catch (Exception ex) { this.errNum = -1;
this.errDesc = ex.toString();
rs = null;
} finally { }
return rs;
} public int getErrNum() {
return errNum; } public String getErrDesc() {
return errDesc;
}
executeQuery 用来执行select
我怎么没听说过