6-10 通过 JacksonConfig 配置 json 序列化时将 Long 型的 id 转换成 String 类型，以防止雪花算法生成的Long型...

6-10 通过 JacksonConfig 配置 json 序列化时将 Long 型的 id 转换成 String 类型，以防止雪花算法生成的Long型 id 在被前端 TypeScript 接收时number类型无法精确表示Long的问题

src/main/java/io/github/yubincloud/fairywiki/config/JacksonConfig.java

+package io.github.yubincloud.fairywiki.config;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
+
+@Configuration
+public class JacksonConfig {
+
+    @Bean
+    @Primary
+    @ConditionalOnMissingBean(ObjectMapper.class)
+    public ObjectMapper jacksonObjectMapper(Jackson2ObjectMapperBuilder builder)
+    {
+        ObjectMapper objectMapper = builder.createXmlMapper(false).build();
+
+        // 全局配置序列化返回 JSON 处理
+        SimpleModule simpleModule = new SimpleModule();
+        //JSON Long ==> String
+        simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
+        objectMapper.registerModule(simpleModule);
+        return objectMapper;
+    }
+}
+

src/main/java/io/github/yubincloud/fairywiki/service/EbookService.java

@@ -60,7 +60,7 @@ public class EbookService {
     public void save(EbookSaveReqDto reqDto) {
         Ebook ebookRecord = CopyUtil.copy(reqDto, Ebook.class);
         if (ObjectUtils.isEmpty(ebookRecord.getId())) {  // 判断 id 是否为空
-            // ebookRecord.setId(snowFlake.nextId());
+            ebookRecord.setId(snowFlake.nextId());
             ebookMapper.insertSelective(ebookRecord);
         } else {
             ebookMapper.updateByPrimaryKey(ebookRecord);

web/src/views/admin/admin-ebook.vue

@@ -188,7 +188,7 @@ export default defineComponent({
     /**
      * 删除
      */
-    const handleDeleteEbook = (ebookId: any) => {
+    const handleDeleteEbook = (ebookId: string) => {
       console.log(ebookId);
       axios.delete("/ebook/delete/" + ebookId).then((response) => {
         const respData = response.data;