feat: 新需求功能代码提交。

ruoyi-common/ruoyi-common-json/src/main/java/org/dromara/common/json/handler/DoubleSerializer.java

@@ -0,0 +1,28 @@
+package org.dromara.common.json.handler;
+
+import java.io.IOException;
+import java.text.DecimalFormat;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.SerializerProvider;
+
+/**
+ * Double 类型格式化序列化器
+ * 保留两位小数
+ *
+ * @author intc
+ */
+public class DoubleSerializer extends JsonSerializer<Double> {
+
+    private static final DecimalFormat DECIMAL_FORMAT = new DecimalFormat("0.00");
+
+    @Override
+    public void serialize(Double value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
+        if (value == null) {
+            gen.writeNull();
+        } else {
+            gen.writeNumber(DECIMAL_FORMAT.format(value));
+        }
+    }
+}

ruoyi-common/ruoyi-common-mybatis/pom.xml

@@ -41,7 +41,6 @@
             <groupId>com.baomidou</groupId>
             <artifactId>mybatis-plus-jsqlparser</artifactId>
         </dependency>
-
         <!-- sql性能分析插件 -->
         <dependency>
             <groupId>p6spy</groupId>