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angular - 如何修复角度 6 中的静态喷射器错误？

问题描述

我在角度上有这个错误。如何解决它。感谢您抽出宝贵时间。

ERROR Error: StaticInjectorError(AppModule)[UnitPriceComponent -> Subscription]: 
 StaticInjectorError(Platform: core)[UnitPriceComponent -> Subscription]: 
NullInjectorError: No provider for Subscription!
at NullInjector.push../node_modules/@angular/core/fesm5/core.js.NullInjector.get (core.js:1060)
at resolveToken (core.js:1298)
at tryResolveToken (core.js:1242)
at StaticInjector.push../node_modules/@angular/core/fesm5/core.js.StaticInjector.get (core.js:1139)
at resolveToken (core.js:1298)
at tryResolveToken (core.js:1242)
at StaticInjector.push../node_modules/@angular/core/fesm5/core.js.StaticInjector.get (core.js:1139)
at resolveNgModuleDep (core.js:8374)
at NgModuleRef_.push../node_modules/@angular/core/fesm5/core.js.NgModuleRef_.get (core.js:9062)
at resolveNgModuleDep (core.js:8374)

标签： angular

解决方案

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