如何通过在java中使用Runtime.exec()运行sqlplus从sqlplus窗口捕获输出
我试图从java运行一个sql脚本(这里是memo222Dataferg.out),并试图从sqlplus窗口捕获输出。这是我的密码如何通过在java中使用Runtime.exec()运行sqlplus从sqlplus窗口捕获输出,java,sqlplus,Java,Sqlplus,我试图从java运行一个sql脚本(这里是memo222Dataferg.out),并试图从sqlplus窗口捕获输出。这是我的密码 Runtime rt = Runtime.getRuntime(); String runString1 = "cmd /c start sqlplus pecok/pecok@xe @C:\workspace\PeCok_Tool\memo_222dataFERG.out";
Runtime rt = Runtime.getRuntime();
String runString1 = "cmd /c start sqlplus pecok/pecok@xe @C:\workspace\PeCok_Tool\memo_222dataFERG.out";
Process proc = null;
proc = rt.exec(runString1);
// proc = rt.exec("java -version");
InputStream is = proc.getErrorStream();
//InputStream is = proc.getInputStream();
int bufSize = 4096;
BufferedReader in = new BufferedReader(new InputStreamReader(is), bufSize);
String currentLine = null;
while ((currentLine = in.readLine()) != null) {
System.out.println(" " + currentLine);
}
is.close();
int a = proc.waitFor();
System.out.println(" proc.waitFor() :: " +a);
Sqlplus执行。SQLPlus窗口打开,它开始执行我在C:\workspace\PeCok\u Tool\memo\u 222dataFERG.out文件中编写的插入语句。但我无法从sqlplus窗口捕获输出并在eclipse控制台中打印它。在while循环中,它挂起并且不在eclipse控制台中打印任何内容。但当我运行“java-version”(代码中有注释)时,它成功地将java版本打印为控制台中的输出。现在我的问题是如何读取sqlplus窗口的输出?我尝试了getErrorStream()和getInputStream()。我知道您特别询问sqlplus和进程分叉,但是SQLcl运行sqlplus所做的任何事情,并且完全用java编写,因此易于集成 我这里有一个github回购协议,目标是如何做到这一点: 下面是一个java示例:
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.UnsupportedEncodingException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import oracle.dbtools.raptor.newscriptrunner.ScriptExecutor;
import oracle.dbtools.raptor.newscriptrunner.ScriptRunnerContext;
public class RunMyScript {
public static void main(String[] args) throws SQLException, UnsupportedEncodingException {
Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@//localhost:1521/XE", "klrice", "klrice");
conn.setAutoCommit(false);
// #create sqlcl
ScriptExecutor sqlcl = new ScriptExecutor(conn);
// #setup the context
ScriptRunnerContext ctx = new ScriptRunnerContext();
// #set the context
sqlcl.setScriptRunnerContext(ctx);
ctx.setBaseConnection(conn);
// Capture the results without this it goes to STDOUT
ByteArrayOutputStream bout = new ByteArrayOutputStream();
BufferedOutputStream buf = new BufferedOutputStream(bout);
sqlcl.setOut(buf);
// # run a whole file
// adjust the path as it needs to be absolute
sqlcl.setStmt("@/Users/klrice/workspace_commons/sqlcl-java/myfile.sql");
sqlcl.run();
String results = bout.toString("UTF8");
results = results.replaceAll(" force_print\n", "");
System.out.println(results);
}
}
我知道您特别询问了sqlplus和进程分叉,但是SQLcl运行sqlplus所做的任何事情,并且完全用java编写,因此易于集成 我这里有一个github回购协议,目标是如何做到这一点: 下面是一个java示例:
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.UnsupportedEncodingException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import oracle.dbtools.raptor.newscriptrunner.ScriptExecutor;
import oracle.dbtools.raptor.newscriptrunner.ScriptRunnerContext;
public class RunMyScript {
public static void main(String[] args) throws SQLException, UnsupportedEncodingException {
Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@//localhost:1521/XE", "klrice", "klrice");
conn.setAutoCommit(false);
// #create sqlcl
ScriptExecutor sqlcl = new ScriptExecutor(conn);
// #setup the context
ScriptRunnerContext ctx = new ScriptRunnerContext();
// #set the context
sqlcl.setScriptRunnerContext(ctx);
ctx.setBaseConnection(conn);
// Capture the results without this it goes to STDOUT
ByteArrayOutputStream bout = new ByteArrayOutputStream();
BufferedOutputStream buf = new BufferedOutputStream(bout);
sqlcl.setOut(buf);
// # run a whole file
// adjust the path as it needs to be absolute
sqlcl.setStmt("@/Users/klrice/workspace_commons/sqlcl-java/myfile.sql");
sqlcl.run();
String results = bout.toString("UTF8");
results = results.replaceAll(" force_print\n", "");
System.out.println(results);
}
}
如果直接从命令提示符运行命令,会发生什么情况?您的脚本是否以“退出”结尾?否。。。脚本中没有出口。好吧,这是你的问题;如果不退出,SQL*Plus将坐在那里等待更多输入。谢谢你,亚历克斯。我在脚本中加入了exit。现在工作正常。如果直接从命令提示符运行命令,可能会发生重复的情况?您的脚本是否以“退出”结尾?否。。。脚本中没有出口。好吧,这是你的问题;如果不退出,SQL*Plus将坐在那里等待更多输入。谢谢你,亚历克斯。我在脚本中加入了exit。现在它工作正常。可能是