java 呼叫命令列 備份mysql資料庫

// 方式1

string command = "d:\\mysql\\bin\\mysqldump -h127.0.0.1 -uroot -p -ntd -r -dbname";
runtime runtime = runtime.getruntime();
process process = runtime.exec(command);
inputstreamreader reader = new inputstreamreader(process.getinputstream());
bufferedreader buffreader = new bufferedreader(reader);
string instr;
string outstr;
stringbuffer buffer = new stringbuffer();
while ((instr = buffreader.readline()) != null) 
outstr = buffer.tostring();
outputstream os = new fileoutputstream("d:\\sql.sql");
outputstreamwriter writer = new outputstreamwriter(os);
writer.write(outstr);
writer.flush();
reader.close();
buffreader.close();
os.close();
writer.close();
// 方式2
string command = "cmd /c mysqldump -h127.0.0.1 -uroot -p -ntd -r -dbname";
runtime runtime = runtime.getruntime();
process process = runtime.exec(command, null,new file("d:\\mysql\\bin"));
inputstreamreader reader = new inputstreamreader(process.getinputstream());
bufferedreader buffreader = new bufferedreader(reader);
string instr;
string outstr;
stringbuffer buffer = new stringbuffer();
while ((instr = buffreader.readline()) != null) 
outstr = buffer.tostring();
outputstream os = new fileoutputstream("d:\\sql.sql");
outputstreamwriter writer = new outputstreamwriter(os);
writer.write(outstr);
writer.flush();
reader.close();
buffreader.close();
os.close();
writer.close();

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