【 demand 】 Internationalization I18N Language switching function , For example, menu list 、 Dictionary, etc .

It is mainly an auxiliary table to configure the management language ：

A single field is simple , Data labels configured directly through the dictionary （key）- Table name , Data key value （value）- Table field name 【 The default number one is ID, Comma separated 】  The value of is used as a parameter to query , Get the data and fill in multilingual , Then save the three fields in the table ok 了 ,I18N The language configuration is json Field .

This is roughly the idea , The current problems are as follows

【 problem 】

Suppose there are multiple fields in a table that need I18N, that locale There will be multiple fields to be translated in , So how does the front end display , Of course, it can also not be displayed , After all, json Zhongcun i18n,

But you have to look at which field to configure multilingualism, right , So you still have to configure multiple field displays . How to solve the problem , At present, there is an idea , It is to combine multiple fields into one field , Then the front end is cut and displayed .

【 solve 】 adopt concat（） The function concatenates multiple strings into a single string .

A solution .

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