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- 工具函数: 截取字符串的长度并在末尾添加 '...' 适用场景: 多行文字截取,不是在行末尾截取
/** * 获取指定的长度的字符串 * @param {string} str 描述文字字符串 * @param {} len 最长显示的长度 * @example * ``` * const str1 = '你好,今天是星期四,reView代码中'; * getWantLenStr(str1, 6) * // => '你好,今天是' * * const str2 = '周四'; * getWantLenStr(str2, 6); * // => '周四' * ``` */ const getWantLenStr = (str, len) => { if (str.length >= len) { return str.slice(0, len); } return str; }, getWantLenStr(item.description, 22) + '...';
- 概念: API (Application Program Interface) 应用程序编程接口
- 概念: SDK (Software Development Kit) 软件开发工具包
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