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html - vue如何定義一個變量，讓所有組件都能使用

如圖，每個get和post請求都一個url,項目進行太多的數(shù)據(jù)交互 所以需要把每個url的相同部分定義成一個變量，這樣方便以后修改 但我不懂如何在vue里面定義一個公共變量，讓所有組件都能使用。希望大家?guī)蛶兔?，謝謝

From [HTMLdiscussion group] 2017-04-17 14:59:13 0  5  1013

html - css部分position fixed web網(wǎng)頁問題 純css做的下拉

紅線圈起來的那部分position:fixed固定后純css做的下拉 就不見了 知道啥原因嗎 也就是失效了下拉的是根據(jù) {代碼...}

From [HTMLdiscussion group] 2017-04-17 14:53:32 0  1  1013

html5 - http是否不支持h5 Geolocatio

用本機ip訪問無法獲取坐標(biāo)，用localhost訪問倒是可以，有人遇到過嗎 換成https也可以，但是就是http的不行 報錯：getCurrentPosition() and watchPosition() no lo...

From [HTMLdiscussion group] 2017-04-17 13:55:30 0  2  1012

求解，為什么這樣用nth-of-type選不了元素？

From [HTMLdiscussion group] 2016-11-07 16:03:38 0  1  1012

HTML5 video M3U8 encoded with Base64

I want to add a base64 encoded M3U8 file in the Video tag of HTML5, how can I do it<!DOCTYPEhtml><htm...

From [HTMLdiscussion group] 2023-09-09 23:07:18 0  1  1011

javascript - May I ask what date framework you use to create such a date style?

This is the date selection on the mobile phone. Click on the date and a box like this will pop up. You can sli...

From [HTMLdiscussion group] 2017-06-27 09:18:58 0  1  1011

How to make the picture before each list item inconsistent

ul li: You can set a unified picture before, but what should you do if you want to add a different picture to ...

From [HTMLdiscussion group] 2018-11-01 09:48:35 0  1  1010

How to get the natural dimensions of an image using JavaScript or jQuery?

So far I have this code: varimg=document.getElementById('draggable'); varwidth=img.clientWidth; varheight=img....

From [HTMLdiscussion group] 2023-10-21 13:53:08 0  2  1010

css - margin 負值為什么要這樣設(shè)計?

margin top left 為負數(shù)時： 是以內(nèi)容盒為基準(zhǔn)線，所以負值使整個元素向上，右移動。 margin right bottom 為負數(shù)時： 是以border為基準(zhǔn)線，所以負值使不會影響元素的位置，但會使元素的基...

From [HTMLdiscussion group] 2017-04-17 11:16:32 0  1  1010

相對定位在網(wǎng)頁制作中的應(yīng)用是什么？

相對定位在網(wǎng)頁制作中有什么具體應(yīng)用呢？目前只想到它可以實現(xiàn)文本重疊這一種作用。。

From [HTMLdiscussion group] 2016-12-21 15:47:37 0  2  1009

javascript - What to do if Firefox does not support input date?

What should I do if Firefox does not support input date? Note: I am using vue2, and it is not a single page, b...

From [HTMLdiscussion group] 2017-05-24 11:37:33 0  1  1009

How to fix CSP errors? "Execution of the inline event handler is denied because it violates the following Content Security Policy directive..."

I'm getting a CSP error when adding a random value in script-src. This is the CSP - Content Security Policy I'...

From [HTMLdiscussion group] 2023-08-30 11:44:31 0  1  1008

javascript - Vue uploads images and displays them on the page.

html code&lt;div class="bg_white"&gt; {code...} js code module.exports = { {code...} }; This...

From [HTMLdiscussion group] 2017-06-24 09:44:07 0  1  1008

html5 - A few questions in the introduction to bootstrap

I just saw this sentence: Create a gap (gutter) between columns by setting the padding attribute for "col...

From [HTMLdiscussion group] 2017-05-16 13:42:55 0  1  1008

好多文章都說CSS中使用原子類會導(dǎo)致后期維護成本過高，但是我想不通為什么？

比如我定義了一個原子類：.por { position:relative;}將來引用這個原子類的地方要改成position:absolute的話，我可以直接再寫個.poa {position...

From [HTMLdiscussion group] 2016-11-17 15:49:07 0  2  1008