增加安全的从map中读取数据的各种方法，自动数据类型转换

util/map.go

@@ -0,0 +1,209 @@
+// Package util ...
+//
+// Description : 从map中读取数据
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2021-11-16 4:28 下午
+package util
+
+import (
+	"git.zhangdeman.cn/zhangdeman/gopkg/convert"
+	"github.com/pkg/errors"
+)
+
+// Exist 检测一个key在map中是否存在
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 4:52 下午 2021/11/16
+func Exist(source map[interface{}]interface{}, key interface{}) bool {
+	if nil == source {
+		return false
+	}
+	if _, exist := source[key]; !exist {
+		return false
+	}
+	return true
+}
+
+// GetInt 获取int值
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 4:30 下午 2021/11/16
+func GetInt(source map[interface{}]interface{}, key interface{}, defaultVal int) int {
+	var result int
+	if err := GetDataWithReceiver(source, key, &result); nil != err {
+		return defaultVal
+	}
+	return result
+}
+
+// GetInt8 ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 4:59 下午 2021/11/16
+func GetInt8(source map[interface{}]interface{}, key interface{}, defaultVal int8) int8 {
+	var result int8
+	if err := GetDataWithReceiver(source, key, &result); nil != err {
+		return defaultVal
+	}
+	return result
+}
+
+// GetInt16 ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 4:59 下午 2021/11/16
+func GetInt16(source map[interface{}]interface{}, key interface{}, defaultVal int16) int16 {
+	var result int16
+	if err := GetDataWithReceiver(source, key, &result); nil != err {
+		return defaultVal
+	}
+	return result
+}
+
+// GetInt32 ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 5:00 下午 2021/11/16
+func GetInt32(source map[interface{}]interface{}, key interface{}, defaultVal int32) int32 {
+	var result int32
+	if err := GetDataWithReceiver(source, key, &result); nil != err {
+		return defaultVal
+	}
+	return result
+}
+
+// GetInt64 ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 5:00 下午 2021/11/16
+func GetInt64(source map[interface{}]interface{}, key interface{}, defaultVal int64) int64 {
+	var result int64
+	if err := GetDataWithReceiver(source, key, &result); nil != err {
+		return defaultVal
+	}
+	return result
+}
+
+// GetUint ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 5:01 下午 2021/11/16
+func GetUint(source map[interface{}]interface{}, key interface{}, defaultVal uint) uint {
+	var result uint
+	if err := GetDataWithReceiver(source, key, &result); nil != err {
+		return defaultVal
+	}
+	return result
+}
+
+// GetUint8 ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 5:01 下午 2021/11/16
+func GetUint8(source map[interface{}]interface{}, key interface{}, defaultVal uint8) uint8 {
+	var result uint8
+	if err := GetDataWithReceiver(source, key, &result); nil != err {
+		return defaultVal
+	}
+	return result
+}
+
+// GetUint16 ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 5:02 下午 2021/11/16
+func GetUint16(source map[interface{}]interface{}, key interface{}, defaultVal uint16) uint16 {
+	var result uint16
+	if err := GetDataWithReceiver(source, key, &result); nil != err {
+		return defaultVal
+	}
+	return result
+}
+
+// GetUint32 ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 5:02 下午 2021/11/16
+func GetUint32(source map[interface{}]interface{}, key interface{}, defaultVal uint32) uint32 {
+	var result uint32
+	if err := GetDataWithReceiver(source, key, &result); nil != err {
+		return defaultVal
+	}
+	return result
+}
+
+// GetUint64 ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 5:03 下午 2021/11/16
+func GetUint64(source map[interface{}]interface{}, key interface{}, defaultVal uint64) uint64 {
+	var result uint64
+	if err := GetDataWithReceiver(source, key, &result); nil != err {
+		return defaultVal
+	}
+	return result
+}
+
+// GetFloat32 ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 5:03 下午 2021/11/16
+func GetFloat32(source map[interface{}]interface{}, key interface{}, defaultVal float32) float32 {
+	var result float32
+	if err := GetDataWithReceiver(source, key, &result); nil != err {
+		return defaultVal
+	}
+	return result
+}
+
+// GetFloat64 ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 5:04 下午 2021/11/16
+func GetFloat64(source map[interface{}]interface{}, key interface{}, defaultVal float64) float64 {
+	var result float64
+	if err := GetDataWithReceiver(source, key, &result); nil != err {
+		return defaultVal
+	}
+	return result
+}
+
+// GetString ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 5:07 下午 2021/11/16
+func GetString(source map[interface{}]interface{}, key interface{}, defaultVal string) string {
+	var result string
+	if err := GetDataWithReceiver(source, key, &result); nil != err {
+		return defaultVal
+	}
+	return result
+}
+
+// GetDataWithReceiver 使用制定的数据指针接受结果
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 4:54 下午 2021/11/16
+func GetDataWithReceiver(source map[interface{}]interface{}, key interface{}, receiver interface{}) error {
+	if !Exist(source, key) {
+		return errors.New("key is not found")
+	}
+	return convert.ConvertAssign(receiver, source[key])
+}