首页 \ 问答 \ 我可以停止100％宽度的文本框超出其容器？(Can I stop 100% Width Text Boxes from extending beyond their containers?)

我可以停止100％宽度的文本框超出其容器？(Can I stop 100% Width Text Boxes from extending beyond their containers?)

 让我说我有一个文本框，我想填充一行。 我会给它一个这样的风格： 
 

input.wide {display:block; width: 100%}

 

 这会导致问题，因为宽度是基于文本框的内容。 默认情况下，文本框具有边距，边框和填充，这使得宽度为100％的文本框大于其容器。 
 

 例如，在右边： 
 

在此输入图像说明
 

 有没有办法使文本框填充其容器的宽度，而不扩展它？ 
 

 下面是一些示例HTML，以显示我的意思： 
 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Untitled Page</title>
    <style type="text/css">
        #outer{border: 1px solid #000; width: 320px; margin: 0px;padding:0px}
        #inner{margin: 20px; padding: 20px; background: #999;border: 1px solid #000;}
        input.wide {display:block; margin: 0px}
        input.normal {display:block; float: right}
    </style>
</head>
<body>
    <div id="outer">
        <div id="inner">
            <input type="text" class="wide" />
            <input type="text" class="normal" />
            <div style="clear:both;"></div>
        </div>
    </div>
</body>
</html>

 

 如果这是运行，您可以通过查看“正常”文本框看到“宽”文本框伸出容器之外。 “正常”文本框浮动到容器的实际边缘。 我试图使“宽”文本框填充其容器，而不会像“正常”文本框那样扩展到边缘之外。 

Lets say I have a text box that I want to fill a whole line. I would give it a style like this:
 

input.wide {display:block; width: 100%}

 

This causes problems because the width is based on the content of the text box. Text boxes have margin, borders, & padding by default, which makes a 100% width text box larger than its container.
 

For example, here on the right:
 

enter image description here
 

Is there any way to make a text box fill the width of its container without expanding beyond it?
 

Here is some example HTML to show what I mean:
 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Untitled Page</title>
    <style type="text/css">
        #outer{border: 1px solid #000; width: 320px; margin: 0px;padding:0px}
        #inner{margin: 20px; padding: 20px; background: #999;border: 1px solid #000;}
        input.wide {display:block; margin: 0px}
        input.normal {display:block; float: right}
    </style>
</head>
<body>
    <div id="outer">
        <div id="inner">
            <input type="text" class="wide" />
            <input type="text" class="normal" />
            <div style="clear:both;"></div>
        </div>
    </div>
</body>
</html>

 

If this is run, you can see by looking at the "normal" text box that the "wide" text box is sticking out beyond the container. The "normal" text box floats to the actual edge of the container. I'm trying to make the "wide" text box fill its container, without expanding beyond edge like the "normal" text box is.

原文：https://stackoverflow.com/questions/628500
更新时间：2022-11-02 09:11

最满意答案

 虽然我倾向于同意@AlekDavis的评论 ，但是在NT shell中仍然有几种方法来做到这一点。 
 

 我将利用SHIFT命令和IF条件分支的方法，这样的事情... 
 

@ECHO OFF

SET man1=%1
SET man2=%2
SHIFT & SHIFT

:loop
IF NOT "%1"=="" (
    IF "%1"=="-username" (
        SET user=%2
        SHIFT
    )
    IF "%1"=="-otheroption" (
        SET other=%2
        SHIFT
    )
    SHIFT
    GOTO :loop
)

ECHO Man1 = %man1%
ECHO Man2 = %man2%
ECHO Username = %user%
ECHO Other option = %other%

REM ...do stuff here...

:theend


Though I tend to agree with @AlekDavis' comment, there are nonetheless several ways to do this in the NT shell.
 

The approach I would take advantage of the SHIFT command and IF conditional branching, something like this...
 

@ECHO OFF

SET man1=%1
SET man2=%2
SHIFT & SHIFT

:loop
IF NOT "%1"=="" (
    IF "%1"=="-username" (
        SET user=%2
        SHIFT
    )
    IF "%1"=="-otheroption" (
        SET other=%2
        SHIFT
    )
    SHIFT
    GOTO :loop
)

ECHO Man1 = %man1%
ECHO Man2 = %man2%
ECHO Username = %user%
ECHO Other option = %other%

REM ...do stuff here...

:theend

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