<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-devtools</artifactId>
    <optional>true</optional>
</dependency>

java -jar myapp.jar --debug

# 重点在于修改JAVA_HOME环境变量
# git bash
export JAVA_HOME="/c/Program Files/Eclipse Adoptium/jdk-17.0.4.8-hotspot"
# or
declare -x JAVA_HOME="/c/Program Files/Eclipse Adoptium/jdk-17.0.4.8-hotspot"
# linux
JAVA_HOME=/opt/jdk8u265-b01

# 重点在于修改PATH环境变量
export PATH="/c/Program Files/Eclipse Adoptium/jdk-17.0.4.8-hotspot/bin:$PATH"

// 不输出该字段
    @com.fasterxml.jackson.annotation.JsonIgnore
    private int intValue;
// 设置日期的输出格式
    @com.fasterxml.jackson.annotation.JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", timezone = "UTC")
    private Date date;
// 忽略为null的字段
@com.fasterxml.jackson.annotation.JsonInclude(Include.NON_NULL)
class Foo
{
  String bar;
}
// 解析日期格式输入
    @org.springframework.format.annotation.DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    private Date date;

// 不使用json形式提交+@RequestBody, 改用传统form