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       
(Showing Draft Content)

WEBSERVICE

此函数从 Internet 或 Intranet 上的 Web 服务返回数据。

语法

WEBSERVICE( url )

参数

此函数具有以下参数:

参数 描述
url [必需] 要调用的 Web 服务的 URL。

备注:

该功能支持HTTP(http和https)协议。在从服务返回结果之前,SpreadJS 返回“”作为默认值。只有在响应结果为字符串类型时才显示正确的结果。如果使用其他格式,如图像、音频、视频,则返回不可读的代码。

以下场景该函数返回一个#VALUE!错误:

  • 如果返回的 URL 是超过 2048 个字符的字符串。
  • 如果请求时间超过 10 秒。
  • 如果请求不遵循同源策略并且目标网站不支持来自源源的 CORS(跨源资源共享),则在浏览器上。在这种情况下,浏览器会在控制台而不是 SpreadJS 上打印 CORS 错误。
  • 如果使用 FTP 或 FILE 协议。

数据类型

此函数接受并返回字符串数据。

示例

WEBSERVICE("https://restcountries.eu/rest/v2/all")

WEBSERVICE("https://jsonplaceholder.typicode.com/users")

WEBSERVICE("https://www.google.com")