package com.imooc.demo12.controller;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class TestController {

   @Value("${mall.config.name}")
   private String name;
   @Value("${mall.config.description}")
   private String description;
   @Value("${mall.config.hot-sales}")
   private Integer hotSales;
   @Value("mall.config.show-advert")
   private Boolean showAdvert;

   @RequestMapping("/out")
   @ResponseBody
   public String test() {
       return "success";
   }

   @RequestMapping("/info")
   @ResponseBody
   public String info() {
       return String.format("name:%s,description:%s,hot-sales:%s,show-advert:%s", name, description, hotSales, showAdvert);

   }
}

错误信息是：

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'testController': Unsatisfied dependency expressed through field 'showAdvert'; nested exception is org.springframework.beans.TypeMismatchException: Failed to convert value of type 'java.lang.String' to required type 'java.lang.Boolean'; nested exception is java.lang.IllegalArgumentException: Invalid boolean value [mall.config.show-advert]