From d50fa4085b34bd4fe2eca55ea93853f50138108d Mon Sep 17 00:00:00 2001
From: cabbage <281119120@qq.com>
Date: Fri, 13 Jun 2025 13:59:48 +0800
Subject: [PATCH] =?UTF-8?q?##=20=E4=BD=BF=E7=94=A8BigDecimalFormat?=
 =?UTF-8?q?=E6=B3=A8=E8=A7=A3=EF=BC=8C=E9=BB=98=E8=AE=A4=E4=B8=8D=E7=94=A8?=
 =?UTF-8?q?=E5=9B=9B=E8=88=8D=E4=BA=94=E5=85=A5=E6=94=B9=E4=B8=BA=E5=8E=BB?=
 =?UTF-8?q?=E5=B0=BE=EF=BC=9B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../core/config/BigDecimalSerializer.java     | 34 +++++--------------
 1 file changed, 9 insertions(+), 25 deletions(-)

diff --git a/bd-common/bd-common-core/src/main/java/com/hzs/common/core/config/BigDecimalSerializer.java b/bd-common/bd-common-core/src/main/java/com/hzs/common/core/config/BigDecimalSerializer.java
index 37378e8e..18f9bdc8 100644
--- a/bd-common/bd-common-core/src/main/java/com/hzs/common/core/config/BigDecimalSerializer.java
+++ b/bd-common/bd-common-core/src/main/java/com/hzs/common/core/config/BigDecimalSerializer.java
@@ -1,6 +1,5 @@
 package com.hzs.common.core.config;
 
-import cn.hutool.json.JSONUtil;
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.databind.BeanProperty;
 import com.fasterxml.jackson.databind.JsonMappingException;
@@ -8,14 +7,11 @@ import com.fasterxml.jackson.databind.JsonSerializer;
 import com.fasterxml.jackson.databind.SerializerProvider;
 import com.fasterxml.jackson.databind.ser.ContextualSerializer;
 import com.hzs.common.core.annotation.BigDecimalFormat;
-import com.hzs.common.core.constant.CacheConstants;
-import com.hzs.common.core.context.SecurityContextHolder;
-import com.hzs.common.core.service.RedisService;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.jackson.JsonComponent;
 
 import java.io.IOException;
 import java.math.BigDecimal;
+import java.math.RoundingMode;
 import java.text.DecimalFormat;
 import java.util.Objects;
 
@@ -28,15 +24,6 @@ public class BigDecimalSerializer extends JsonSerializer<BigDecimal> implements
     // 默认保留2位小数
     private String format = "#0.00";
 
-    private String zeroFormat = "#0";
-
-    private RedisService redisService;
-
-    @Autowired
-    public void setRedisService(RedisService redisService) {
-        this.redisService = redisService;
-    }
-
     /**
      * 序列化处理方式
      *
@@ -47,12 +34,10 @@ public class BigDecimalSerializer extends JsonSerializer<BigDecimal> implements
      */
     @Override
     public void serialize(BigDecimal bigDecimal, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
-//        if(ComputeUtil.compareEqual(ComputeUtil.computeSubtract(bigDecimal, bigDecimal.setScale(0, RoundingMode.DOWN)), BigDecimal.ZERO)){
-//            jsonGenerator.writeString(new DecimalFormat(zeroFormat).format(bigDecimal));
-//        }else{
-//            jsonGenerator.writeString(bigDecimal.setScale(6, RoundingMode.HALF_UP).stripTrailingZeros().toString());
-        jsonGenerator.writeString(new DecimalFormat(format).format(bigDecimal));
-//        }
+        DecimalFormat decimalFormat = new DecimalFormat(format);
+        // 改为使用去尾方式显示
+        decimalFormat.setRoundingMode(RoundingMode.DOWN);
+        jsonGenerator.writeString(decimalFormat.format(bigDecimal));
     }
 
     /**
@@ -66,15 +51,13 @@ public class BigDecimalSerializer extends JsonSerializer<BigDecimal> implements
     @Override
     public JsonSerializer<?> createContextual(SerializerProvider serializerProvider, BeanProperty beanProperty) throws JsonMappingException {
         if (beanProperty != null) {
-            Object bdCountry = redisService.getCacheObject(CacheConstants.BD_COUNTRY + SecurityContextHolder.getUserCountry());
             if (Objects.equals(beanProperty.getType().getRawClass(), BigDecimal.class)) {
                 BigDecimalFormat bigDecimalFormat = beanProperty.getAnnotation((BigDecimalFormat.class));
                 if (bigDecimalFormat == null) {
                     bigDecimalFormat = beanProperty.getContextAnnotation(BigDecimalFormat.class);
                 }
                 BigDecimalSerializer bigDecimalSerializer = new BigDecimalSerializer();
-                int numberPlaces = Integer.parseInt(JSONUtil.parseObj(bdCountry).get("numberPlaces").toString());
-                bigDecimalSerializer.format = replaceNumber(numberPlaces);
+                bigDecimalSerializer.format = replaceNumber();
                 if (bigDecimalFormat != null) {
                     bigDecimalSerializer.format = bigDecimalFormat.value();
                 }
@@ -85,11 +68,12 @@ public class BigDecimalSerializer extends JsonSerializer<BigDecimal> implements
         return new BigDecimalSerializer();
     }
 
-    private String replaceNumber(int numberPlaces) {
+    private String replaceNumber() {
         StringBuilder number = new StringBuilder("#0.");
-        for (int i = 0; i < numberPlaces; i++) {
+        for (int i = 0; i < 6; i++) {
             number.append("0");
         }
         return number.toString();
     }
+
 }