问题描述 java 调用cmd 执行读取sql文件问题?求大神帮看下 Runtime run =Runtime.getRuntime(); Process process = run.exec("cmd /cmysql -u root -pssdlh test <d:/test.sql"); InputStreamReader ir = new InputStreamReader(process .getInputStream()); LineNumberReader input
问题描述 求大神帮看下代码,怎么做才能接收自己输入的字符串进行判断呢? public static void main(String[] args) { Scanner s = new Scanner(System.in); System.out.println("请输入你要查询出现单词或字母次数句子"); ArrayList<Object> arrayList = new ArrayList<Object>(); String f = s.nextLine()
问题描述 vb.net修改sql数据库老是出现未初始化大神帮看下 If TextBox1.Text = "" Then MsgBox("课程信息不能为空!") Exit Sub End If Dim myConn As OleDbConnection = New OleDbConnection(strConn) Dim myComm As OleDbCommand = New OleDbCommand myComm.Connection = myConn myCom