[MyBatis] | MyBatis query statement topic (the return value type column of the method in the interface) - Code World

[MyBatis] | MyBatis query statement topic (the return value type column of the method in the interface)

Language 2023-04-17 07:50:44 views: null

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[MyBatis] | MyBatis query statement topic (the return value type column of the method in the interface)

mybatis (return value) query statement topic

Mybatis sql has the problem that the return value of the query is object type

Return Value Type MyBatis introduced in resultType

mybatis to a plurality of query key, value of the attribute record, encapsulated into a return map method

Execute the query statement in Mybatis, and return the solution that the empty null field is not displayed

Interface as return value type

[MyBatis] | MyBatis parameter processing (parameter column of the method in the interface)

mybatis update the return value

The return value update mybatis

mybatis return value encapsulation

mybatis return value encapsulation

MyBatis return Map, query field two as a key and value, respectively,

mybatis return type is the map

mybatis invalid column type: 1111

mybatis invalid column type: 1111

The return type of the query using MyBatis is int, but when the query result is NULL, the solution to the exception is reported

The formal parameters of the method and the return value type of the method

mybatis use xml to achieve one of the exception return null from a method with a primitive return type (int)

mybatis insert statement return data Id

Dabai became the thirteenth day of the Java software siege lion (java method call, the actual parameter type of the call, the method return value type is not void, and the return statement is deep)

mybatis parent nested query value transfer / column plurality of parameter values passed

Note that when writing a select query in mybatis, you must write the return value in xml

Interface Type Return Value Explanation WebApi

MyBatis query return type int, an empty result set NULL, reported abnormal solve

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Section II: mybatis summary of the return value

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