Spring AOP实战 记录日志 下载可以直接使用

package com.chengxuhai.log.util; import com.fasterxml.jackson.annotation.JsonInclude; import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.core.type.TypeReference; import com.fasterxml.jackson.databind.*; import com.fasterxml.jackson.databind.module.SimpleModule; import com.fasterxml.jackson.databind.ser.std.ToStringSerializer; import com.fasterxml.jackson.databind.type.CollectionType; import com.fasterxml.jackson.databind.type.TypeFactory; import lombok.SneakyThrows; import java.io.*; import java.text.SimpleDateFormat; import java.util.Collections; import java.util.List; /** * Json工具类 * 一个基于com.fasterxml.jackson封装的Json常用工具类 * @author: 程序海 * @date: 2023-05-31 10:23 * @email: 321766212@qq.com * @blog: http://www.chengxuhai.com */ public class JsonUtils { private static final ObjectMapper objectMapper; static { objectMapper = new ObjectMapper(); //configure方法 配置一些需要的参数 // 转换为格式化的json 显示出来的格式美化 objectMapper.enable(SerializationFeature.INDENT_OUTPUT); //序列化的时候序列对象的那些属性 Java对象为空的字段不拼接JSON //JsonInclude.Include.NON_DEFAULT 属性为默认值不序列化 //JsonInclude.Include.ALWAYS 所有属性 //JsonInclude.Include.NON_EMPTY 属性为 空（“”） 或者为 NULL 都不序列化 //JsonInclude.Include.NON_NULL 属性为NULL 不序列化 objectMapper.setSerializationInclusion(JsonInclude.Include.ALWAYS); // 序列化：序列化BigDecimal时不使用科学计数法输出 objectMapper.configure(JsonGenerator.Feature.WRITE_BIGDECIMAL_AS_PLAIN, true); //反序列化时,遇到未知属性会不会报错 //true - 遇到没有的属性就报错 false - 没有的属性不会管，不会报错 objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); //如果是空对象的时候,不抛异常 objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false); // 忽略 transient 修饰的属性 objectMapper.configure(MapperFeature.PROPAGATE_TRANSIENT_MARKER, true); // 反序列化：不允许基本类型为null objectMapper.configure(DeserializationFeature.FAIL_ON_NULL_FOR_PRIMITIVES, true); //修改序列化后日期格式 objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false); objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")); //处理不同的时区偏移格式 objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS); SimpleModule simpleModule = new SimpleModule(); simpleModule.addSerializer(Long.class, ToStringSerializer.instance); simpleModule.addSerializer(Long.TYPE, ToStringSerializer.instance); objectMapper.registerModule(simpleModule); // objectMapper.registerModule(new JavaTimeModule()); // objectMapper.setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE); } /** * json转对象 * @param json * @param clazz * @return * @param <T> */ public static <T> T toObject(String json,Class<T> clazz){ try { return objectMapper.readValue(json, clazz); } catch (JsonProcessingException e) { throw new RuntimeException(e); } } /** * json转对象 * @param object * @param typeReference * @return * @param <T> */ @SneakyThrows public static <T> T convertValue(Object object, TypeReference<T> typeReference){ return objectMapper.convertValue(object, typeReference); } /** * 对象转json * @param obj * @return */ public static String toJson(Object obj){ try { return objectMapper.writeValueAsString(obj); } catch (JsonProcessingException e) { throw new RuntimeException(e); } } /** * json转集合 * 这样写就不用传一个TypeReference<List<T>> typeReference这么麻烦了 * @param json * @param clazz 集合的泛型class * @return * @param <T> */ public static <T> List<T> toList(String json, Class<T> clazz) { try { if (json == null) { return Collections.emptyList(); } TypeFactory typeFactory = objectMapper.getTypeFactory(); CollectionType collectionType = typeFactory.constructCollectionType(List.class, clazz); return objectMapper.readValue(json, collectionType); } catch (Exception e) { throw new RuntimeException(e); } } /** * 转换成Json节点 * @param * @return */ public static JsonNode toTree(String json) { try { return objectMapper.readTree(json); } catch (JsonProcessingException e) { throw new RuntimeException(e); } } /** * 读取json文件，返回json串 * @param fileName * @return */ public static String readJsonFile(String fileName) { String jsonStr = ""; try { File jsonFile = new File(fileName); FileReader fileReader = new FileReader(jsonFile); Reader reader = new InputStreamReader(new FileInputStream(jsonFile),"utf-8"); int ch = 0; StringBuffer sb = new StringBuffer(); while ((ch = reader.read()) != -1) { sb.append((char) ch); } fileReader.close(); reader.close(); jsonStr = sb.toString(); return jsonStr; } catch (IOException e) { e.printStackTrace(); return null; } } public static void main(String[] args) { String s = readJsonFile("C:\\Users\\chengxuhai\\moqu\\historyData\\2023110910_C2C.json"); System.out.println(s); } }