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31 lines
699 B
31 lines
699 B
// Copyright (c) Shenyang Leading Edge Intelligent Technology Co., Ltd. All rights reserved.
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package container
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import (
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"errors"
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"fmt"
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"reflect"
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)
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// 组件实例
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type Instance reflect.Value
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var ZeroInstance = Instance(reflect.ValueOf(nil))
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// 获取调用器
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// 参数
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// 1.服务实例
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// 返回值:
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// 1.调用器
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// 2.错误
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func (instance Instance) GetCaller(methodName string) (Caller, error) {
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if methodName == "" {
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return nil, errors.New(fmt.Sprintf("方法名不能为空!"))
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}
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methodValue := reflect.Value(instance).MethodByName(methodName)
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if methodValue == reflect.ValueOf(nil) {
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return nil, errors.New(fmt.Sprintf("未找到方法!"))
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}
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return methodValue.Call, nil
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}
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