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CodePudding user response:

Traverse the id out into an array, the array is passed to the mybatis forEach traversal can be deleted

CodePudding user response:

Access to all the id of the content, Mosaic an in (id1, id2, id3) this kind of data, can be used in removing

CodePudding user response:

The json object is convenient to digital List

: loop specify an alias for each loop data index: subscript open loop cycle: began to close: end of the separator, the separator between elements in an array, & gt;
The delete from emp where empno in
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