数据库事务

try {  
	db.beginTransaction();  
	String[][] lifes = {{"potato", "tomato", "apple"}, {"rat", "cat", "dog"}};  
	SQLiteStatement stmt = db.compileStatement("insert into life values(?,?)");  
	for(int i=0;i<lifes[0].length;i++){  
	    stmt.clearBindings();  
	    stmt.bindString(1, lifes[0][i]);  
	    stmt.bindString(1, lifes[1][i]);  
	    stmt.executeInsert();  
	}  
	db.setTransactionSuccessful();  
	} catch (Exception e) {  
	}finally{  
	db.endTransaction();  
	}
}