From 4f96b0a784646e729f77ff4dfafca294180bb6f5 Mon Sep 17 00:00:00 2001
From: sparkmemory <sparkmemory@163.com>
Date: Mon, 10 Mar 2025 14:59:52 +0800
Subject: [PATCH] =?UTF-8?q?feat(fund):=E5=A2=9E=E5=8A=A0=E5=9F=BA=E9=87=91?=
 =?UTF-8?q?=E4=BC=B0=E7=AE=97=E5=87=80=E5=80=BC=E6=B6=A8=E8=B7=8C=E5=B9=85?=
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- 在基金数据结构中添加 NetEstimatedRate 字段，用于表示估算净值涨跌幅
- 在获取关注基金列表时，计算并填充 NetEstimatedRate 值- 前端组件中增加估算净值涨跌幅的显示
- 优化单位净值和估算净值的显示格式
---
 backend/data/fund_data_api.go    | 25 +++++++++++++++++++------
 frontend/src/components/fund.vue |  8 ++++++--
 2 files changed, 25 insertions(+), 8 deletions(-)

diff --git a/backend/data/fund_data_api.go b/backend/data/fund_data_api.go
index db1f1d5..84006b6 100644
--- a/backend/data/fund_data_api.go
+++ b/backend/data/fund_data_api.go
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"github.com/duke-git/lancet/v2/convertor"
+	"github.com/duke-git/lancet/v2/mathutil"
 	"github.com/duke-git/lancet/v2/strutil"
 	"github.com/go-resty/resty/v2"
 	"go-stock/backend/db"
@@ -34,12 +35,16 @@ type FollowedFund struct {
 	Code string `json:"code" gorm:"index"` // 基金代码
 	Name string `json:"name"`              // 基金简称
 
-	NetUnitValue     *float64  `json:"netUnitValue"`         // 单位净值
-	NetUnitValueDate string    `json:"netUnitValueDate"`     // 单位净值日期
-	NetEstimatedUnit *float64  `json:"netEstimatedUnit"`     // 估算单位净值
-	NetEstimatedTime string    `json:"netEstimatedUnitTime"` // 估算单位净值日期
-	NetAccumulated   *float64  `json:"netAccumulated"`       // 累计净值
-	FundBasic        FundBasic `json:"fundBasic" gorm:"foreignKey:Code;references:Code"`
+	NetUnitValue     *float64 `json:"netUnitValue"`         // 单位净值
+	NetUnitValueDate string   `json:"netUnitValueDate"`     // 单位净值日期
+	NetEstimatedUnit *float64 `json:"netEstimatedUnit"`     // 估算单位净值
+	NetEstimatedTime string   `json:"netEstimatedUnitTime"` // 估算单位净值日期
+	NetAccumulated   *float64 `json:"netAccumulated"`       // 累计净值
+
+	//计算值
+	NetEstimatedRate *float64 `json:"netEstimatedRate"` // 估算单位净值涨跌幅
+
+	FundBasic FundBasic `json:"fundBasic" gorm:"foreignKey:Code;references:Code"`
 }
 
 func (FollowedFund) TableName() string {
@@ -226,6 +231,14 @@ func (f *FundApi) GetFundList(key string) []FundBasic {
 func (f *FundApi) GetFollowedFund() []FollowedFund {
 	var funds []FollowedFund
 	db.Dao.Preload("FundBasic").Find(&funds)
+	for i, fund := range funds {
+		if fund.NetUnitValue != nil && fund.NetEstimatedUnit != nil && *fund.NetUnitValue > 0 {
+			netEstimatedRate := (*(funds[i].NetEstimatedUnit) - *(funds[i].NetUnitValue)) / *(fund.NetUnitValue) * 100
+			netEstimatedRate = mathutil.RoundToFloat(netEstimatedRate, 2)
+			funds[i].NetEstimatedRate = &netEstimatedRate
+		}
+
+	}
 	return funds
 }
 func (f *FundApi) FollowFund(fundCode string) string {
diff --git a/frontend/src/components/fund.vue b/frontend/src/components/fund.vue
index bb372ad..0c9359e 100644
--- a/frontend/src/components/fund.vue
+++ b/frontend/src/components/fund.vue
@@ -154,9 +154,13 @@ function formatterTitle(title){
             <n-tag size="small"  :bordered="false" type="info">{{info.code}}</n-tag>&nbsp;
             <n-tag size="small"  :bordered="false" type="success" @click="unFollow(info.code)"> 取消关注</n-tag>
           </template>
-            <n-tag size="small" :type="info.netEstimatedUnit>0?'error':'success'" :bordered="false" v-if="info.netEstimatedUnit">估算净值：{{info.netEstimatedUnit}}({{info.netEstimatedUnitTime}})</n-tag>
+            <n-tag size="small" :type="info.netEstimatedRate>0?'error':'success'" :bordered="false" v-if="info.netEstimatedUnit">
+              估算净值：{{info.netEstimatedUnit}}&nbsp;
+              {{info.netEstimatedRate}} %&nbsp;&nbsp;&nbsp;
+              ({{info.netEstimatedUnitTime}})</n-tag>
           <n-divider vertical></n-divider>
-          <n-tag size="small" :type="info.netUnitValue>0?'error':'success'" :bordered="false" v-if="info.netUnitValue">单位净值：{{info.netUnitValue}}({{info.netUnitValueDate}})</n-tag>
+          <n-tag size="small" :type="info.netEstimatedRate>0?'error':'success'" :bordered="false" v-if="info.netUnitValue">
+            单位净值：{{info.netUnitValue}}&nbsp;({{info.netUnitValueDate}})</n-tag>
           <n-divider  v-if="info.netUnitValue"></n-divider>
             <n-flex justify="start">
             <n-tag size="small" :type="info.fundBasic.netGrowth1>0?'error':'success'" :bordered="false" v-if="info.fundBasic.netGrowth1">近一月：{{info.fundBasic.netGrowth1}}%</n-tag>