IT人生 |

华为电脑切换热键/功能键

3月 27, 2024 | Nix.Huang

f1~f91和上排的媒体键切换很多电脑都是通过集成到bios,或者mobility center来完成的。傻 […more]

VarHandle 简介

10月 30, 2023 | Nix.Huang

VarHandle是用来代替Unsafe获取和修改对象的字段 private int state; priva […more]

org.slf4j.impl.StaticLoggerBinder 找不到

3月 24, 2023 | Nix.Huang

Caused by: java.lang.ClassNotFoundException: org.slf4j. […more]

mybatis plus Integer映射为枚举和json映射为对象

3月 15, 2023 | Nix.Huang

@Configuration
public class Config {
	//将Integer 映射未枚举处理器
    @MappedTypes({MState.class})
    @MappedJdbcTypes(value ={JdbcType.TINYINT, JdbcType.INTEGER})
    public static class  MStateTypeHandler extends EnumOrdinalTypeHandler<MState> {
        public MStateTypeHandler() {
            super(MState.class);
        }
    }
	
	//JSON处理器
    @MappedTypes({EventHandlingContext.class})
    @MappedJdbcTypes(value ={JdbcType.VARCHAR, JdbcType.UNDEFINED})
    public static class EventHandlingContextHandler extends FastjsonTypeHandler {
        public EventHandlingContextHandler() {
            super((Class)EventHandlingContext.class);
        }
    }

	//将处理器注册未bean
    @Bean
    public MStateTypeHandler getTypeHandlerForMState() {
        return new MStateTypeHandler();
    }

    @Bean
    public FastjsonTypeHandler getJsonTypeHandler() {

        return new EventHandlingContextHandler();
    }
}

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

@Configuration

public class Config {

//将Integer 映射未枚举处理器

@MappedTypes({MState.class})

@MappedJdbcTypes(value ={JdbcType.TINYINT, JdbcType.INTEGER})

public static class MStateTypeHandler extends EnumOrdinalTypeHandler<MState> {

public MStateTypeHandler() {

super(MState.class);

}

//JSON处理器

@MappedTypes({EventHandlingContext.class})

@MappedJdbcTypes(value ={JdbcType.VARCHAR, JdbcType.UNDEFINED})

public static class EventHandlingContextHandler extends FastjsonTypeHandler {

public EventHandlingContextHandler() {

super((Class)EventHandlingContext.class);

}

//将处理器注册未bean

@Bean

public MStateTypeHandler getTypeHandlerForMState() {

return new MStateTypeHandler();

}

@Bean

public FastjsonTypeHandler getJsonTypeHandler() {

return new EventHandlingContextHandler();

}

linux 中sysdrr病毒处理

2月 2, 2023 | Nix.Huang

ll /proc/{pid} 输出中, exe ->; ‘/usr/bin/-bash (deleted […more]

lombok.javac.apt.LombokProcessor could not be initialized解决办法

1月 31, 2023 | Nix.Huang

最近将IDEA 升级到IntelliJ IDEA 2022.3.1后原来可以运行的工程启动报: java: l […more]

HttpClient 使用chunked上传文件

1月 10, 2023 | Nix.Huang

java代码

CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost post = new HttpPost(url);
MultipartEntityBuilder builder = MultipartEntityBuilder.create();
builder.setBoundary("123456789");
builder.setCharset(java.nio.charset.Charset.forName("UTF-8"));
builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);

// 文件流
builder.addBinaryBody("file", getInputStream(), ContentType.DEFAULT_BINARY, "xyz.txt");
builder.addPart("type", new StringBody("0", ContentType.TEXT_PLAIN));

//Finally
post.setEntity(builder.build());
CloseableHttpResponse response = httpClient.execute(post);
response.getEntity().writeTo(System.out);

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

CloseableHttpClient httpClient = HttpClients.createDefault();

HttpPost post = new HttpPost(url);

MultipartEntityBuilder builder = MultipartEntityBuilder.create();

builder.setBoundary("123456789");

builder.setCharset(java.nio.charset.Charset.forName("UTF-8"));

builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);

// 文件流

builder.addBinaryBody("file", getInputStream(), ContentType.DEFAULT_BINARY, "xyz.txt");

builder.addPart("type", new StringBody("0", ContentType.TEXT_PLAIN));

//Finally

post.setEntity(builder.build());

CloseableHttpResponse response = httpClient.execute(post);

response.getEntity().writeTo(System.out);

生成的报文 POST /ebo […more]

VUE ref vs reactive API

12月 12, 2022 | Nix.Huang

VUE ref vs reactive API 两个函数都能用于创建reactive object, reac […more]

Typora 将markdown转docx时表格样式问题

11月 23, 2022 | Nix.Huang

Typora 使用Pandoc库完成导出工作，但是Pandoc 的用户手册说使用如下命令生成模板 pando […more]

javascript Promise async await

10月 13, 2022 | Nix.Huang

javascript Promise async await 概述 Promise: 解决callback嵌套 […more]

知行合一，止于至善

IT人生