Summary of testing methods of Management Information system (6)

I. check of special symbols

1. English single quotation marks

1) enter English single quotation marks to display the error page

2) enter English single quotation marks, which can be saved, but the link is not valid

two。 English double quotation marks: when there are English double quotation marks, the field is displayed incorrectly

3. Data + spaces: the data added with "data + spaces" cannot be distinguished from the existing data, resulting in two pieces of data being duplicated.

4. Space + data: input "space + data" cannot be saved

5. Full-width spaces: fields are not allowed to be saved as blank, but are allowed to be saved as full-width spaces

6. Pound sign "#": when there is more than one "#", only the first "#" can be saved

7. Brackets "[": cannot query by "["

8. Underscore "_": when you press "_" to query, the query result is incorrect

9. Percent sign "%": save error when the field contains "%"

10. Plus sign "+": save error when the field contains "+"

11. Save: when the field contains "&", the information saved after "&" is incorrect.

12.\: when the field contains "\", the information after "\" is saved incorrectly.

13. Angle bracket ": when the field contains", the data in"is saved incorrectly

The problems with the above special characters, including English single quotation marks and /, are caused by the existence of these special characters in the program language.