Data structure supporting design of flexible forms and conversion method and system thereof

The invention is adapted to the design of forms and provides a data structure supporting design of flexible forms. The data structure comprises a first data structure located at the front end of a browser representing forms in the form of json, and a second data structure located at a background database used for storing data at the front end of the browser with meta-data tables of form items and the content of form items. The data structure supporting design of flexible forms and the conversion method and the system thereof have following beneficial effects: based on basic form items, forms meeting needs of various occasion can be formed in the shape of json; such easy application occasions are commonly-seen log-in, registered forms and the like; complex application occasions can be used for logics or embed forms and the like; the forms can be designed more flexibly so that users can get what they want, the demands can be satisfied, and data can be collected. 本发明适用于表单设计，提供了种可支持自由表单设计的数据结构，包括：位于浏览器前端的第数据结构，其以