以2020.3.1為例
選擇spring initializr->next
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLiAzNfRHLGZkRGZkRfJ3bs92YsYTMfVmepNHL4FleNlXUU9UNNpHW4Z0MMBjVtJWd0ckW65UbM5WOHJWa5kHT20ESjBjUIF2X0hXZ0xCMx81dvRWYoNHLrdEZwZ1Rh5WNXp1bwNjW1ZUba9VZwlHdssmch1mclRXY39CXldWYtlWPzNXZj9mcw1ycz9WL49zZuBnLyQDNwQzMzYTM1ATMwEjMwIzLc52YucWbp5GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.png)
java version選擇8
前面的Artifact可以随便起名
然後next
選擇web->spring web
其他的可以考慮不選,其實就算都不選,一會也可以在maven的pom.xml配置
然後next
直接Finish
在src/main/java/com.example.demo下建一個類
package com.example.demo;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class HelloController {
@RequestMapping("/hello")
public String index() {
return "測試";
}
}
修改test/java/com.example.demo下的類
記住這個accept(MediaType.APPLICATION_JSON_UTF8)
如果這個沒寫,而且你傳回中文的話,很有可能測試過不了
package com.example.demo;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.MediaType;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import static org.hamcrest.Matchers.equalTo;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
@RunWith(SpringRunner.class)
@SpringBootTest
public class DemoApplicationTests {
private MockMvc mvc;
public DemoApplicationTests() {
}
@Before
public void setUp() throws Exception {
mvc = MockMvcBuilders.standaloneSetup(new HelloController()).build();
}
@Test
public void getHello() throws Exception {
mvc.perform(MockMvcRequestBuilders.get("/hello").accept(MediaType.APPLICATION_JSON_UTF8))
.andExpect(status().isOk())
.andExpect(content().string(equalTo("測試")));
}
}
然後會有紅的
然後點一下Test,alt+enter,add maven dependency ,選org.junit那個(第二個)
然後點一下這個開始按鈕,應該會顯示測試通過
然後這個選擇最底下那個Application,然後右上角,運作
底下控制台會輸出這些
打開浏覽器,輸出http://localhost:8080/hello
可以看到輸出測試