我正在尝试在 Symfony 3.4 上安装 EasyAdminBundle 2.0.* 版本，但 composer 显示冲突。我试图与 packagist 核实哪里会出现问题，但我没有找到任何提示。有人可以帮助阅读作曲家错误吗？是否可以在 Symfony 3.4 上安装 EasyAdmin 2.* ？我的 php 版本是 7.1.14。
先感谢您。托马斯
Problem 1
- Conclusion: remove symfony/symfony v3.4.21
- Conclusion: don't install symfony/symfony v3.4.21
- Conclusion: don't install symfony/symfony v3.4.20
- Conclusion: don't install symfony/symfony v3.4.19
- Conclusion: don't install symfony/symfony v3.4.18
- Conclusion: don't install symfony/symfony v3.4.17
- Conclusion: don't install symfony/symfony v3.4.16
- Conclusion: don't install symfony/symfony v3.4.15
- Conclusion: don't install symfony/symfony v3.4.14
- Conclusion: don't install symfony/symfony v3.4.13
- Conclusion: don't install symfony/symfony v3.4.12
- Conclusion: don't install symfony/symfony v3.4.11
- Conclusion: don't install symfony/symfony v3.4.10
- Conclusion: don't install symfony/symfony v3.4.9
- Conclusion: don't install symfony/symfony v3.4.8
- Conclusion: don't install symfony/symfony v3.4.7
- Conclusion: don't install symfony/symfony v3.4.6
- Conclusion: don't install symfony/symfony v3.4.5
- Conclusion: don't install symfony/symfony v3.4.4
- Conclusion: don't install symfony/symfony v3.4.3
- Conclusion: don't install symfony/symfony v3.4.2
- Conclusion: don't install symfony/symfony v3.4.1
- easycorp/easyadmin-bundle v2.0.0 requires symfony/expression-language ^4.1 -> satisfiable by symfony/expression-language[v4.1.0, v4.1.1, v4.1.10, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8, v4.1.9, v4.2.0, v4.2.1, v4.2.2].
- easycorp/easyadmin-bundle v2.0.1 requires symfony/expression-language ^4.1 -> satisfiable by symfony/expression-language[v4.1.0, v4.1.1, v4.1.10, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8, v4.1.9, v4.2.0, v4.2.1, v4.2.2].
- easycorp/easyadmin-bundle v2.0.2 requires symfony/expression-language ^4.1 -> satisfiable by symfony/expression-language[v4.1.0, v4.1.1, v4.1.10, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8, v4.1.9, v4.2.0, v4.2.1, v4.2.2].
- don't install symfony/expression-language v4.1.0|don't install symfony/symfony v3.4.0
- don't install symfony/expression-language v4.1.1|don't install symfony/symfony v3.4.0
- don't install symfony/expression-language v4.1.10|don't install symfony/symfony v3.4.0
- don't install symfony/expression-language v4.1.2|don't install symfony/symfony v3.4.0
- don't install symfony/expression-language v4.1.3|don't install symfony/symfony v3.4.0
- don't install symfony/expression-language v4.1.4|don't install symfony/symfony v3.4.0
- don't install symfony/expression-language v4.1.5|don't install symfony/symfony v3.4.0
- don't install symfony/expression-language v4.1.6|don't install symfony/symfony v3.4.0
- don't install symfony/expression-language v4.1.7|don't install symfony/symfony v3.4.0
- don't install symfony/expression-language v4.1.8|don't install symfony/symfony v3.4.0
- don't install symfony/expression-language v4.1.9|don't install symfony/symfony v3.4.0
- don't install symfony/expression-language v4.2.0|don't install symfony/symfony v3.4.0
- don't install symfony/expression-language v4.2.1|don't install symfony/symfony v3.4.0
- don't install symfony/expression-language v4.2.2|don't install symfony/symfony v3.4.0
- Installation request for symfony/symfony 3.4.* -> satisfiable by symfony/symfony[v3.4.0, v3.4.1, v3.4.10, v3.4.11, v3.4.12, v3.4.13, v3.4.14, v3.4.15, v3.4.16, v3.4.17, v3.4.18, v3.4.19, v3.4.2, v3.4.20, v3.4.21, v3.4.3, v3.4.4, v3.4.5, v3.4.6, v3.4.7, v3.4.8, v3.4.9].
- Installation request for easycorp/easyadmin-bundle ^2.0 -> satisfiable by easycorp/easyadmin-bundle[v2.0.0, v2.0.1, v2.0.2].