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In this article Xiaobian for you to introduce in detail the "SpringCloud Feign multi-parameter transmission methods and need to pay attention to what problems", detailed content, clear steps, details handled properly, I hope that this "SpringCloud Feign multi-parameter transmission methods and need to pay attention to what problems" article can help you solve doubts, the following with the editor's ideas slowly in-depth, together to learn new knowledge.

Multi-parameter transfer of Feign and problems needing attention

The previous Eureka,Feign,Service is used here.

Add several methods in the service provider cloud-shop-userservice / * Save users * 18 / PostMapping ("/ user") public String aveUser (@ RequestBody User user) {logger.info ("Save users:" + user.toString ()); return "Success" } / * query users based on username and password * 18 / GetMapping ("/ findUser") public User findUserByNameAndPassword (String name, String password) {logger.info ("name:" + name + "--password:" + password); User user= new User () User.setName (name); user.setPassword (password); return user;} modify the UserService of feign and add the corresponding method package cn.sh.daniel.service; import org.springframework.cloud.netflix.feign.FeignClient;import org.springframework.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.PathVariable;import org.springframework.web.bind.annotation.PostMapping Import org.springframework.web.bind.annotation.RequestBody;import cn.sh.daniel.entity.User; @ FeignClient (value = "cloud-shop-userservice") public interface UserService {@ GetMapping ("/ user/ {id}") public User findUserById (@ PathVariable ("id") Long id); @ PostMapping ("/ user/user") public String aveUser (@ RequestBody User user) @ GetMapping ("/ user/findUser") public User findUserByNameAndPassword (String name, String password);} call the method in the controller of feign / * Save user * January 18, 2018 * / @ PostMapping ("/ user") public String aveUser (@ RequestBody User user) {return userService.aveUser (user) } / * query the user based on user name and password * January 18, 2018 * / @ GetMapping ("/ findUser") public User findUserByNameAndPassword (String name, String password) {return userService.findUserByNameAndPassword (name, password);} restart the modified service to check whether the service registration is normal

During the startup process, you can find the Feign service startup error:

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