## 接口的使用
org.hyperledger.fabric.gateway.spi.QueryHandler

- 使用QueryHandler的程序包
  程序包 | 说明
  --- | ---
  org.hyperledger.fabric.gateway | This package provides the set of interfaces that enable a Java application to interact with a Fabric blockchain network.
  org.hyperledger.fabric.gateway.spi | This package provides the set of interfaces that enable a Java developer to extend the set of built in handlers for controlling gateway strategies.

- - ### org.hyperledger.fabric.gateway中QueryHandler的使用

    返回QueryHandler的org.hyperledger.fabric.gateway中的方法
    限定符和类型 | 方法和说明
    --- | ---
    `QueryHandler` | DefaultQueryHandlers.`create(Network network)`

  - ### org.hyperledger.fabric.gateway.spi中QueryHandler的使用

    返回QueryHandler的org.hyperledger.fabric.gateway.spi中的方法
    限定符和类型 | 方法和说明
    --- | ---
    `QueryHandler` | QueryHandlerFactory.`create(Network network)` Factory function to create a query handler instance.

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