安装hyperf/view时候出错

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安装hyperf/view时候出错

冰点阳光

去年

今天用 composer require hyperf/view报错，错误信息如下 ：

```html
Using version ^2.1 for hyperf/view
./composer.json has been updated
Running composer update hyperf/view --with-all-dependencies
Loading composer repositories with package information
Updating dependencies
Your requirements could not be resolved to an installable set of packages.

Problem 1
    - hyperf/testing is locked to version v2.0.14 and an update of this package was not requested.
    - Conclusion: don't install hyperf/contract v2.0.1 (conflict analysis result)
    - Conclusion: don't install hyperf/contract v2.0.3 (conflict analysis result)
    - Conclusion: don't install hyperf/contract v2.0.9 (conflict analysis result)
    - Conclusion: don't install hyperf/contract v2.0.13 (conflict analysis result)
    - Conclusion: don't install hyperf/view v2.1.0 (conflict analysis result)
    - hyperf/view 2.1.x-dev is an alias of hyperf/view dev-master and thus requires it to be installed too.
    - hyperf/view[dev-master, v2.1.0-beta1, ..., 2.1.x-dev] require hyperf/contract ~2.1.0 -> satisfiable by hyperf/contract[v2.1.0-beta1, v2.1.0, 2.1.x-dev (alias of dev-master)].
    - hyperf/contract 2.1.x-dev is an alias of hyperf/contract dev-master and thus requires it to be installed too.
    - You can only install one version of a package, so only one of these can be installed: hyperf/contract[dev-master, v2.0.0, ..., 2.1.x-dev].
    - hyperf/testing v2.0.14 requires hyperf/contract ~2.0.0 -> satisfiable by hyperf/contract[v2.0.0, ..., 2.0.x-dev].
    - Conclusion: don't install hyperf/contract v2.0.0 (conflict analysis result)
    - Root composer.json requires hyperf/view ^2.1 -> satisfiable by hyperf/view[v2.1.0-beta1, v2.1.0, 2.1.x-dev (alias of dev-master)].

Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.

Installation failed, reverting ./composer.json and ./composer.lock to their original content.
```

请问这个有知道要怎么解决的没 我需要安装他的模板引擎

2020-12-31

鲁飞

2020-12-31

冰点阳光 回复鲁飞