truncate

_.truncate([string=''], [options={}])

如果 string 长于给定的最大字符串长度，则截断它。截断字符串的最后一个字符被替换为省略字符串，默认为 "..."。

¥Truncates string if it's longer than the given maximum string length. The last characters of the truncated string are replaced with the omission string which defaults to "...".

新增于

¥Since

4.0.0

参数

¥Arguments

1. [string=''] (字符串)：要截断的字符串。

   ¥[string=''] (string): The string to truncate.

2. [options={}] (对象)：填充长度。

   ¥[options={}] (Object): The options object.

3. [options.length=30] (数值)：要检查的数字。

   ¥[options.length=30] (number): The maximum string length.

4. [options.omission='...'] (字符串)：表示省略文本的字符串。

   ¥[options.omission='...'] (string): The string to indicate text is omitted.

5. [options.separator] (正则表达式|字符串)：要截断的分隔符模式。

   ¥[options.separator] (RegExp|string): The separator pattern to truncate to.

返回

¥Returns

(字符串)：返回截断的字符串。

¥(string): Returns the truncated string.

示例

¥Example

_.truncate('hi-diddly-ho there, neighborino');
// => 'hi-diddly-ho there, neighbo...'

_.truncate('hi-diddly-ho there, neighborino', {
  'length': 24,
  'separator': ' '
});
// => 'hi-diddly-ho there,...'

_.truncate('hi-diddly-ho there, neighborino', {
  'length': 24,
  'separator': /,? +/
});
// => 'hi-diddly-ho there...'

_.truncate('hi-diddly-ho there, neighborino', {
  'omission': ' [...]'
});
// => 'hi-diddly-ho there, neig [...]'