将图像下载到本地计算机

本文介绍了将图像下载到本地计算机的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我想下载一张我使用cfchart创建的图表来excel并将其保存到本地机器。我遇到的问题是当我将其保存在本地机器中时，图像已过期。我以前下载到excel的代码是

Hi, I want to download a chart which I created using cfchart to excel and save it to local machine. The problem I am experiencing is when I save it in local machine,image is getting expired. The code I used to download to excel is

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它是否会立即过期还是过了一段时间？ Does it expire immediately or after some time?

它是立即过期还是过了一段时间？ Does it expire immediately or after some time?

它会立即过期。一旦我将它保存到本地机器并打开它。它显示图像已过期。 谢谢 Resmi

It expires immediately. Once I save it to local machine and open it. It displays image expired. Thanks Resmi

那是因为图表存储在缓存中一旦缓存过期，图像就不再可用。图像没有存储在Excel文件中 - 它只是一个链接。您可以尝试将图表复制到缓存外部的其他位置，然后链接到该位置。 That''s because the chart is stored in the cache and once the cache expires the image is no longer available. The image is not being stored in the Excel file - it''s just a link. You can try copying the chart to another location outside the cache and link to that instead.