over

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

ini_unmarshal/conf_ini.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"os"
+	"strconv"
 	"strings"
 
 	"reflect"
@@ -18,21 +19,21 @@ type MysqlConfig struct {
 }
 
 type RedisConfig struct {
-	host     string `ini:"host"`
+	Host     string `ini:"host"`
 	Port     int    `ini:"port"`
 	Password string `ini:"password"`
 	Database string `ini:"database"`
 }
 
 type Config struct {
-	RedisConfig `ini:"mysql"`
+	MysqlConfig `ini:"mysql"`
-	MysqlConfig `ini:"redis"`
+	RedisConfig `ini:"redis"`
 }
 
 func Loadini(fileName string, data interface{}) (err error) {
 	//0.参数的校验，对函数中修改值，必须是结构体指针
 	t := reflect.TypeOf(data)
-	//v := reflect.ValueOf(data)
+	v := reflect.ValueOf(data)
 	//校验指针类型
 	if t.Kind() != reflect.Ptr {
 		err = fmt.Errorf("data should be pointer")
@@ -51,11 +52,15 @@ func Loadini(fileName string, data interface{}) (err error) {
 
 	lineSlice := strings.Split(string(b), "\r\n") //字节类型的数据按照换行符切分
 	fmt.Printf("%#v\n", lineSlice)
-	//var structName string
+	var structName string
 	//2.一行一行的读取数据
 	for idx, line := range lineSlice {
 		//2.1如果是注释，就跳过
 		line = strings.TrimSpace(line)
+		//校验：跳过空行
+		if len(line) == 0 {
+			continue
+		}
 		if strings.HasPrefix(line, ";") || strings.HasPrefix(line, "#") {
 			continue
 		}
@@ -78,16 +83,64 @@ func Loadini(fileName string, data interface{}) (err error) {
 				field := t.Elem().Field(i)
 				if field.Tag.Get("ini") == sectionName {
 					//找到对应的嵌套结构体
-					//structName = field.Name
+					structName = field.Name
-					break
+					fmt.Printf("找到%s对应的嵌套结构体%s\n", sectionName, structName)
 				}
 			}
 		} else {
 			//2.3如果不是[，就是=分割的键值对
+			//校验：不能不存在等号或者以等号开头
+			if strings.Index(line, "=") == -1 || strings.HasPrefix(line, "=") {
+				err = fmt.Errorf("line:%d syntax error", idx+1)
+				return
+			}
+			//1.以等号分割这一行，等号左边是key，等号右边是value
+
+			//2.根据structName去data里把对应的嵌套结构体取出
+			subValue := v.Elem().FieldByName(structName)
+			subType := subValue.Type()
+			if subValue.Kind() != reflect.Struct {
+				err = fmt.Errorf("field:%s is not struct", structName)
+				return
+			}
+			//切分line这一行，左边是key 右边是value
+			key := strings.Split(line, "=")[0]
+			value := strings.Split(line, "=")[1]
+
+			//3.遍历嵌套结构体的每一个字段，判断tag是不是等于key，如果等于key，给这个字段赋值
+
+			var fieldName string
+			for i := 0; i < subType.NumField(); i++ {
+				field := subType.Field(i)
+				if field.Tag.Get("ini") == key {
+					fieldName = field.Name
+				}
+			}
+			//根据fieldName取出 这个字段，对其赋值
+			fieldObj := subValue.FieldByName(fieldName)
+			fmt.Println(fieldName, fieldObj.Type().Kind())
+			switch fieldObj.Type().Kind() {
+			case reflect.String:
+				fieldObj.SetString(value)
+			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+				valueInt, err := strconv.ParseInt(value, 10, 64)
+				if err != nil {
+					err = fmt.Errorf("line:%d value:%s error", idx+1, value)
+					return err
+				}
+				fieldObj.SetInt(valueInt)
+			case reflect.Bool:
+				valueBool, err := strconv.ParseBool(value)
+				if err != nil {
+					err = fmt.Errorf("line:%d value:%s error", idx+1, value)
+					return err
+				}
+				fieldObj.SetBool(valueBool)
+			}
 		}
 	}
 
-	return //
+	return
 
 }
 
@@ -98,5 +151,5 @@ func main() {
 		fmt.Println("load ini error:", err)
 		return
 	}
-	fmt.Println(cfg)
+	fmt.Printf("%#v", cfg)
 }

ini_unmarshal/config.ini

@@ -1,4 +1,7 @@
 ; mysql config
+
+
+
 [mysql]
 address=1.2.3.4
 port=3306
@@ -9,10 +12,12 @@ password=pass
 
 # [
 #[ ]
+
+
 # redis config
 [redis]
 host=127.0.0.1
-port=6379
+port=6370
 password=root
 database=0