使用java实现备份和恢复SQLServer表数据

CREATE TABLE [Import_BizDescrs] (
	[DescrId] [char] (10) COLLATE Chinese_PRC_CI_AS NULL ,
	[DescrType] [char] (20) COLLATE Chinese_PRC_CI_AS NULL ,
	[DescrAt] [datetime] NULL ,
	[Descr] [text] COLLATE Chinese_PRC_CI_AS NULL ,
	[DescrBy] [char] (20) COLLATE Chinese_PRC_CI_AS NULL ,
	[BizId] [char] (10) COLLATE Chinese_PRC_CI_AS NULL ,
	[SampId] [char] (20) COLLATE Chinese_PRC_CI_AS NULL ,
	[AssistTaskId] [char] (20) COLLATE Chinese_PRC_CI_AS NULL ,
	[CreatePerson] [char] (20) COLLATE Chinese_PRC_CI_AS NULL ,
	[CreateDate] [datetime] NULL ,
	[UpdatePerson] [char] (20) COLLATE Chinese_PRC_CI_AS NULL ,
	[UpdateDate] [datetime] NULL 
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
GO

public static void exportTableDataByCreateSQL(String createSQLFileName){
    	ArrayList <String> fieldNames = new ArrayList<String>();
    	ArrayList <String> fieldtypes = new ArrayList<String>();
    	ArrayList <Boolean> needQuotationMark = new ArrayList<Boolean>();
    	String tableName = "";
    	String filePath = "C:\\importSQLs\\";
    	String tmpString;
    	try {
			BufferedReader reader = new BufferedReader(new FileReader(createSQLFileName));
			
			String line = reader.readLine();
			//从第一行获取表名			
			tableName = line.substring(line.indexOf("[")+1,line.indexOf("]"));;
			System.out.println(tableName) ;
			//后面获取其他信息
			while ((line = reader.readLine()) != null) {
				if(line.startsWith(")")){
					break;
				}
				tmpString = line.substring(line.indexOf("[")+1,line.indexOf("]"));
				fieldNames.add(tmpString);
				line = line.substring(line.indexOf("]")+1);
				tmpString = line.substring(line.indexOf("[")+1,line.indexOf("]"));
				fieldtypes.add(tmpString);	
				if(tmpString.contains("char")
						||tmpString.contains("text")
						||tmpString.contains("datetime")){
					needQuotationMark.add(true);
				}else{
					needQuotationMark.add(false);
				}
			}
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
}

public static void exportTableDataByCreateSQL(String createSQLFileName){
    	ArrayList <String> fieldNames = new ArrayList<String>();
    	ArrayList <String> fieldtypes = new ArrayList<String>();
    	ArrayList <Boolean> needQuotationMark = new ArrayList<Boolean>();
    	String tableName = "";
    	String filePath = "C:\\importSQLs\\";
    	String tmpString;
    	try {
			BufferedReader reader = new BufferedReader(new FileReader(createSQLFileName));			
			String line = reader.readLine();
			//从第一行获取表名			
			tableName = line.substring(line.indexOf("[")+1,line.indexOf("]"));;
			//后面获取其他信息
			while ((line = reader.readLine()) != null) {
				if(line.startsWith(")")){
					break;
				}
				tmpString = line.substring(line.indexOf("[")+1,line.indexOf("]"));
				fieldNames.add(tmpString);
				line = line.substring(line.indexOf("]")+1);
				tmpString = line.substring(line.indexOf("[")+1,line.indexOf("]"));
				fieldtypes.add(tmpString);	
				if(tmpString.contains("char")
						||tmpString.contains("text")
						||tmpString.contains("datetime")){
					needQuotationMark.add(true);
				}else{
					needQuotationMark.add(false);
				}
			}
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
    	//开始生成insert语句
    	Connection conn;
		try {
			Class.forName("net.sourceforge.jtds.jdbc.Driver");
			conn = DriverManager.getConnection(GlobalVar.ConnURL,GlobalVar.ConnUser,GlobalVar.ConnPWD);
			Statement stmt = conn.createStatement();
	        ResultSet rs = stmt.executeQuery("SELECT * FROM " + tableName);     
	        FileWriter writer = new FileWriter(filePath + tableName+".lims2", false);
	        BufferedWriter bufferedWriter = new BufferedWriter(writer);	    
	        bufferedWriter.write("delete from "+tableName + ";");
	        bufferedWriter.newLine();
	        while (rs.next()) {
	        	String FieldsString="";
		        String ValuesString="";
	        	for(int i=0; i< needQuotationMark.size();i++){
	        		tmpString = rs.getString(fieldNames.get(i));	        		
	        		if(tmpString != null){
	        			if(FieldsString.equals("")){
	        				FieldsString += fieldNames.get(i);
	        				ValuesString += (needQuotationMark.get(i)?"'":"")+ tmpString.trim() +(needQuotationMark.get(i)?"'":"");
	        			}else{
	        				FieldsString += "," + fieldNames.get(i);
	        				ValuesString += "," + (needQuotationMark.get(i)?"'":"")+ tmpString.trim() + (needQuotationMark.get(i)?"'":"");
	        			}
	        		}
	        	}
	            bufferedWriter.write("insert into "+ tableName + "("+FieldsString+")  values("+ValuesString+");");
	            bufferedWriter.newLine();
	        }
	        bufferedWriter.close();
	        writer.close();
	        rs.close();
	        stmt.close();
	        conn.close();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}         	
    }