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步骤一：编写java文件package com.qf.websocket;import com.google.gson.Gson;import javax.websocket.*;import javax.websocket.server.PathParam;import javax.websocket.server.ServerEndpoint;import java.io.I...

步骤一：导包 <dependencies> <dependency> <groupId>com.google.code.gson</groupId> <artifactId>gson</artifactId> </dependency...