| CPC G06Q 10/1091 (2013.01) [G06F 21/31 (2013.01); G06F 40/174 (2020.01)] | 8 Claims |

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1. An authorization method for a user to access a form based on a time property field of the form in a computer management system, comprising:
selecting a grantee;
selecting the form, and displaying one or more time property fields in the selected form wherein one or more permission time ranges need to be set;
setting the one or more permission time ranges for the one or more time property fields, wherein the permission time range for each time property field is set respectively, said one or more permission time ranges comprise one or more of the following: a time range from a time point, which is determined by going backwards from a current time for a fixed time length, to the current time, a time range from a start time to a current time, a time range from a deadline to a system initial time, a time range from a start time to a deadline, a time range where a time field value is null, or a time range from a system initial time to a current time, said time range from the system initial time to the current time comprises the time range where the time field value is null,
assigning the one or more permission time ranges to one or more roles in the computer management system;
wherein said grantee comprises a role of the one or more roles, wherein said role is an independent object in the computer management system which is not a group or class, wherein during a certain period, the role is configured to be related to the user only and the user is configured to be related to the role, or the role and at least one other role, the user is configured to obtain the one or more permission time ranges of said role, or said role and said at least one other role;
wherein each role of the one or more roles in the computer management system belongs to a department, and each role is authorized according to work content of the role; a name of each role is unique under the department, and a number of each role is unique in the computer management system; and during cross-department transfer of the user, the user's relation to a role in an original department is canceled, and the user is related to a new role in a new department.
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