update

cms/src/main/java/com/ym/mec/cms/config/WebMvcConfig.java

@@ -9,7 +9,6 @@ import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Date;
 
-import org.apache.commons.lang3.StringUtils;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
@@ -99,14 +98,6 @@ public class WebMvcConfig implements WebMvcConfigurer {
 				}
 			}
 		});
-		objectMapper.getSerializerProvider().setNullValueSerializer(new JsonSerializer<Object>() {
-			@Override
-			public void serialize(Object o, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
-				if (o instanceof String) {
-					jsonGenerator.writeString(StringUtils.EMPTY);
-				}
-			}
-		});
 
 		objectMapper.registerModule(javaTimeModule);
 		return objectMapper;

mec-auth/mec-auth-server/src/main/java/com/ym/mec/auth/config/WebMvcConfig.java

@@ -9,7 +9,6 @@ import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Date;
 
-import org.apache.commons.lang3.StringUtils;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
@@ -58,14 +57,7 @@ public class WebMvcConfig implements WebMvcConfigurer {
 		objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
 		// 序列化BigDecimal时不使用科学计数法输出
 		objectMapper.configure(JsonGenerator.Feature.WRITE_BIGDECIMAL_AS_PLAIN, true);
-		objectMapper.getSerializerProvider().setNullValueSerializer(new JsonSerializer<Object>() {
-			@Override
-			public void serialize(Object o, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
-				if (o instanceof String) {
-					jsonGenerator.writeString(StringUtils.EMPTY);
-				}
-			}
-		});
+
 		// 日期和时间格式化
 		JavaTimeModule javaTimeModule = new JavaTimeModule();
 		javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));

mec-education/src/main/java/com/ym/mec/education/config/WebMvcConfig.java

@@ -9,10 +9,6 @@ import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Date;
 
-import com.ym.mec.common.config.EnumConverterFactory;
-import com.ym.mec.common.enums.BaseEnum;
-
-import org.apache.commons.lang3.StringUtils;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
@@ -36,6 +32,8 @@ import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer;
 import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
 import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
 import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
+import com.ym.mec.common.config.EnumConverterFactory;
+import com.ym.mec.common.enums.BaseEnum;
 
 @Configuration
 public class WebMvcConfig implements WebMvcConfigurer {
@@ -60,14 +58,6 @@ public class WebMvcConfig implements WebMvcConfigurer {
 		objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
 		// 序列化BigDecimal时不使用科学计数法输出
 		objectMapper.configure(JsonGenerator.Feature.WRITE_BIGDECIMAL_AS_PLAIN, true);
-		objectMapper.getSerializerProvider().setNullValueSerializer(new JsonSerializer<Object>() {
-			@Override
-			public void serialize(Object o, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
-				if (o instanceof String) {
-					jsonGenerator.writeString(StringUtils.EMPTY);
-				}
-			}
-		});
 		// 日期和时间格式化
 		JavaTimeModule javaTimeModule = new JavaTimeModule();
 		javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));

mec-im/src/main/java/com/ym/config/WebMvcConfig.java

@@ -1,9 +1,30 @@
 package com.ym.config;
 
+import java.io.IOException;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+import java.util.Date;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+import org.springframework.format.FormatterRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.*;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.databind.SerializerProvider;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
 import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
@@ -14,22 +35,6 @@ import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
 import com.ym.mec.common.config.EnumConverterFactory;
 import com.ym.mec.common.enums.BaseEnum;
 
-import org.apache.commons.lang3.StringUtils;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.context.annotation.Primary;
-import org.springframework.format.FormatterRegistry;
-import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
-
-import java.io.IOException;
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
-import java.time.LocalDate;
-import java.time.LocalDateTime;
-import java.time.LocalTime;
-import java.time.format.DateTimeFormatter;
-import java.util.Date;
-
 @Configuration
 public class WebMvcConfig implements WebMvcConfigurer {
 
@@ -52,14 +57,6 @@ public class WebMvcConfig implements WebMvcConfigurer {
 		objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
 		// 序列化BigDecimal时不使用科学计数法输出
 		objectMapper.configure(JsonGenerator.Feature.WRITE_BIGDECIMAL_AS_PLAIN, true);
-		objectMapper.getSerializerProvider().setNullValueSerializer(new JsonSerializer<Object>() {
-			@Override
-			public void serialize(Object o, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
-				if (o instanceof String) {
-					jsonGenerator.writeString(StringUtils.EMPTY);
-				}
-			}
-		});
 		// 日期和时间格式化
 		JavaTimeModule javaTimeModule = new JavaTimeModule();
 		javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));

mec-student/src/main/java/com/ym/mec/student/config/WebMvcConfig.java

@@ -58,14 +58,7 @@ public class WebMvcConfig implements WebMvcConfigurer {
 		objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
 		// 序列化BigDecimal时不使用科学计数法输出
 		objectMapper.configure(JsonGenerator.Feature.WRITE_BIGDECIMAL_AS_PLAIN, true);
-		objectMapper.getSerializerProvider().setNullValueSerializer(new JsonSerializer<Object>() {
-			@Override
-			public void serialize(Object o, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
-				if (o instanceof String) {
-					jsonGenerator.writeString(StringUtils.EMPTY);
-				}
-			}
-		});
+
 		// 日期和时间格式化
 		JavaTimeModule javaTimeModule = new JavaTimeModule();
 		javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
@@ -108,6 +101,18 @@ public class WebMvcConfig implements WebMvcConfigurer {
 			}
 		});
 
+		javaTimeModule.addSerializer(String.class, new JsonSerializer<String>() {
+
+			@Override
+			public void serialize(String value, JsonGenerator jsonGenerator, SerializerProvider serializers) throws IOException {
+				if (StringUtils.isEmpty(value)) {
+					jsonGenerator.writeString("");
+				} else {
+					jsonGenerator.writeString(value);
+				}
+			}
+		});
+
 		objectMapper.registerModule(javaTimeModule);
 		return objectMapper;
 	}

mec-task/src/main/java/com/ym/mec/task/config/WebMvcConfig.java

@@ -9,7 +9,6 @@ import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Date;
 
-import org.apache.commons.lang3.StringUtils;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
@@ -58,14 +57,6 @@ public class WebMvcConfig implements WebMvcConfigurer {
 		objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
 		// 序列化BigDecimal时不使用科学计数法输出
 		objectMapper.configure(JsonGenerator.Feature.WRITE_BIGDECIMAL_AS_PLAIN, true);
-		objectMapper.getSerializerProvider().setNullValueSerializer(new JsonSerializer<Object>() {
-			@Override
-			public void serialize(Object o, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
-				if (o instanceof String) {
-					jsonGenerator.writeString(StringUtils.EMPTY);
-				}
-			}
-		});
 		// 日期和时间格式化
 		JavaTimeModule javaTimeModule = new JavaTimeModule();
 		javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));

mec-teacher/src/main/java/com/ym/mec/teacher/config/WebMvcConfig.java

@@ -9,7 +9,6 @@ import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Date;
 
-import org.apache.commons.lang3.StringUtils;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
@@ -58,14 +57,6 @@ public class WebMvcConfig implements WebMvcConfigurer {
 		objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
 		// 序列化BigDecimal时不使用科学计数法输出
 		objectMapper.configure(JsonGenerator.Feature.WRITE_BIGDECIMAL_AS_PLAIN, true);
-		objectMapper.getSerializerProvider().setNullValueSerializer(new JsonSerializer<Object>() {
-			@Override
-			public void serialize(Object o, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
-				if (o instanceof String) {
-					jsonGenerator.writeString(StringUtils.EMPTY);
-				}
-			}
-		});
 		// 日期和时间格式化
 		JavaTimeModule javaTimeModule = new JavaTimeModule();
 		javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));

mec-web/src/main/java/com/ym/mec/web/config/WebMvcConfig.java

@@ -9,7 +9,6 @@ import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Date;
 
-import org.apache.commons.lang3.StringUtils;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
@@ -58,14 +57,6 @@ public class WebMvcConfig implements WebMvcConfigurer {
 		objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
 		// 序列化BigDecimal时不使用科学计数法输出
 		objectMapper.configure(JsonGenerator.Feature.WRITE_BIGDECIMAL_AS_PLAIN, true);
-		objectMapper.getSerializerProvider().setNullValueSerializer(new JsonSerializer<Object>() {
-			@Override
-			public void serialize(Object o, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
-				if (o instanceof String) {
-					jsonGenerator.writeString(StringUtils.EMPTY);
-				}
-			}
-		});
 		// 日期和时间格式化
 		JavaTimeModule javaTimeModule = new JavaTimeModule();
 		javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));

mec-workflow/src/main/java/com/ym/mec/workfow/config/WebMvcConfig.java

@@ -99,14 +99,6 @@ public class WebMvcConfig implements WebMvcConfigurer {
 				}
 			}
 		});
-		objectMapper.getSerializerProvider().setNullValueSerializer(new JsonSerializer<Object>() {
-			@Override
-			public void serialize(Object o, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
-				if (o instanceof String) {
-					jsonGenerator.writeString(StringUtils.EMPTY);
-				}
-			}
-		});
 
 		objectMapper.registerModule(javaTimeModule);
 		return objectMapper;