Second lesson in easy language teaching

Second program-Imitation QQ Login

1. if ()

2. If True ()

3. And or not equal to

4. Focus

5. Destruction ()

6. Supplementary knowledge

1.1 Show what to do today

1.2 Review the previous section

1.3 started new, imitation QQ login program.

1.4 Create a basic model: two tabs + two edit boxes + two buttons to modify the contents of the title

1.5QQ number must be a number, in the edit box in the properties of the input method, select "Input integer". Maximum allowable length, limit 12 digits.

1.6QQ Password must be a masked character, in the edit box in the properties of the input method, select "Password input." In the password masking character, set the specific character format.

1.7 Login button, click event, Judge (using if () command)

Second lesson in easy language teaching