{"id":20719760,"url":"https://github.com/slince/expression-language","last_synced_at":"2026-04-25T09:03:58.710Z","repository":{"id":83836584,"uuid":"605561778","full_name":"slince/expression-language","owner":"slince","description":"🚀 一个富有语言表现力的表达式引擎的 Java 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Expression Language\n\n一个富有语言表现力的表达式引擎 Java 实现。\n\n[![Build Status](https://img.shields.io/github/actions/workflow/status/slince/expression-language/ci.yml?style=flat-square)](https://github.com/slince/expression-language/actions)\n[![Maven Central](https://img.shields.io/maven-central/v/io.github.slince/expression?style=flat-square)](https://maven-badges.herokuapp.com/maven-central/io.github.slince/expression)\n[![LICENSE](https://img.shields.io/github/license/slince/expression-language?style=flat-square)](https://www.apache.org/licenses/LICENSE-2.0.txt)\n\n[English Documentation](./README_EN.md)\n\n## 安装\n\n```xml\n\u003cdependency\u003e\n    \u003cgroupId\u003eio.github.slince\u003c/groupId\u003e\n    \u003cartifactId\u003eexpression\u003c/artifactId\u003e\n    \u003cversion\u003e0.0.2-RELEASE\u003c/version\u003e\n\u003c/dependency\u003e\n```\n\nObjectPath:\n\n```xml\n\u003cdependency\u003e\n    \u003cgroupId\u003eio.github.slince\u003c/groupId\u003e\n    \u003cartifactId\u003eexpression-data-path\u003c/artifactId\u003e\n    \u003cversion\u003e0.0.2-RELEASE\u003c/version\u003e\n\u003c/dependency\u003e\n```\nObjectPath 使用文档见[这里](./docs/zh_CN/objectpath.md)；\n\n## 快速开始\n\n```java\nimport io.github.slince.expression.Evaluator;\nimport io.github.slince.expression.MapContext;\n\nimport java.util.Arrays;\nimport java.util.List;\n\npublic class Book {\n    \n    public static void main(String[] args) {\n        // 创建一本书实例\n        Book book = new Book(\"The Lady of the Camellias\", 12.89f, Arrays.asList(\"Love Story\", \"France\", null));\n        MapContext ctx = new MapContext();\n        ctx.setVar(\"book\", book);\n\n        // 执行表达式\n        // \"The Lady of the Camellias\"\n        System.out.println(Evaluator.INSTANCE.evaluate(\"book.name\", ctx));\n        // 3\n        System.out.println(Evaluator.INSTANCE.evaluate(\"book.tags|size\", ctx));\n        // 22.89f\n        System.out.println(Evaluator.INSTANCE.evaluate(\"book.price + 10\", ctx));\n    }\n    \n    private final String name;\n    private final float price;\n    private final List\u003cString\u003e tags;\n\n    public Book(String name, float price, List\u003cString\u003e tags) {\n        this.name = name;\n        this.price = price;\n        this.tags = tags;\n    }\n\n    public String getName() {\n        return name;\n    }\n\n    public float getPrice() {\n        return price;\n    }\n\n    public List\u003cString\u003e getTags() {\n        return tags;\n    }\n} \n```\n\n## 文档\n\n更多文档请查看[详细文档](docs/zh_CN/index.md)\n\n## 问题反馈\n\n报告 Issue: [github issues](https://github.com/slince/expression/issues)\n\n## LICENSE\n\nThe Apache 2.0 license. See [Apache-2.0](https://opensource.org/licenses/Apache-2.0)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fslince%2Fexpression-language","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fslince%2Fexpression-language","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fslince%2Fexpression-language/lists"}