Сергей Александров提出的问题

Сергей Александров

Asked: 2022-03-29 22:36:00 +0800 CST

如何通过js设置svg图片的长宽位置参数？

2

是否可以在js中为这张图片设置长宽位置参数？如何实施？

<!DOCTYPE html>
<html>
<head>
    <title></title>
</head>

<body>


    <script type="text/javascript">


document.querySelector('body').innerHTML = "<img src = https://upload.wikimedia.org/wikipedia/commons/0/09/America_Online_logo.svg> "  ;

    </script>

</body>
</html>

Сергей Александров

Asked: 2021-11-17 21:22:20 +0800 CST

在 Prolog 中调用函数以返回答案的正确方法是什么？

0

如何正确引用此函数купил_путёвку(x,y)以使其返回答案，例如，它准确回答了 Ivan 或 Petya 买票的问题，我尝试通过以下方式联系купил_путёвку(X,Y)，但我收到一条消息false，虽然我应该给出答案，例如，оптисофт或авиатор。

деньги('Ivan',есть).%есть деньги
деньги('Petya',есть).%есть деньги
паспорт('Ivan',есть).%у Ивана есть паспорт
паспорт('Petya',есть).%у Пети есть паспорт
ближе(авиатор,оптисофт).%Оптисофт ближе, чем авиатор

купил_путёвку(x,y):-ближе(x,y),деньги(x,y),паспорт(x,y).

Сергей Александров

Asked: 2020-09-27 14:46:31 +0800 CST

如何保护项目？

0

用js、html、css创作了3个月的游戏。我将它上传到我的网站并连接了广告。它是这样设计的，为了连接广告，我只是添加了一行连接它的api，然后我在js文件中调用它。另一位用户删除了连接广告的代码行，<script src="https//apireklana.js"></script> 基本上可以访问整个项目。然后上传到我的网站。问题是，有没有什么方法可以保护，例如检查代码是否被更改等？

<!DOCTYPE html>
<html>
<head>
    <title></title>
    <meta charset="utf-8">
</head>
<body>

<script  src="https//apireklana.js"></script>
<script type="text/javascript" src="1.js"></script>
<script type="text/javascript" src="2.js"></script>
<script type="text/javascript" src="3.js"></script>





    
</script>
</body>
</html>

файды 3.js

//код игры
function reklama(){
    
}

 reklama();

Сергей Александров

Asked: 2020-08-05 08:10:46 +0800 CST

如何控制连接

0

我通过 iframe 将我的游戏连接到我的网站，它通过链接工作，事实证明任何人都可以将它连接到他们的资源，有没有办法以某种方式控制它，以便只有我可以连接它，并且服务器没有响应到其他第三方资源？

 <iframe src="https://"  width="100%" height="100%" frameborder="0" >
    
 </iframe>

Сергей Александров

Asked: 2020-02-27 10:03:42 +0800 CST

如何在你的js输出中加上引号

0

bt238=document.createElement('BUTTON'); 
bt238.innerText ="всем"мир"привет";

Сергей Александров

Asked: 2020-02-24 08:30:36 +0800 CST

是否可以用C语言将图片输出到控制台？

0

如何将图片输出到控制台，是否可以？

Сергей Александров

Asked: 2020-02-15 09:19:09 +0800 CST

图像从左到右的平滑外观

0

现在整个画面平滑出现了如何让它从左到右平滑出现，也就是右边的部分如何先完全变暗，左边的动画如何平滑出现对。

#slide {
  animation: ani10601 5s linear infinite;
  opacity: 0.2;
}

@keyframes ani10601 {
  0% {
    opacity: 0.2;
  }
  100% {
    opacity: 1;
  }
}

<!-- partial:index.partial.html -->

<img id="slide" src="https://cdn.pixabay.com/photo/2019/08/26/06/40/table-mountain-4430922_960_720.jpg" />

<!-- partial -->

Сергей Александров

Asked: 2020-01-20 06:21:00 +0800 CST

同样的反应

2

如何使悬停在按钮上时有效的工具提示在悬停在 svg 图像上时也有效？

<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>

<style type="text/css">

	#cm51012{
		position: absolute;
	top:200px;
	left:300px;
	}
[tooltip] {
  position: relative; 

}


[tooltip]::before,
[tooltip]::after {
  text-transform: none; 
  font-size: .9em ; 


 
  line-height: 1;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  pointer-events: none;
  position: absolute;
  display: none;
  opacity: 0;
}
[tooltip]::before {
  content: '';
  border: 5px solid transparent; 
  z-index: 1001; 

}
[tooltip]::after {
  content: attr(tooltip); 
  

  

  

  
  min-width: 3em;
  max-width: 21em;
  white-space: nowrap;
 	  text-align:center;
  position: absolute;
  padding: 5px;               
  font: 16px Arial;        
/*background: rgba(234, 214, 175, 0.95);  */



background: #000; 

color:#fff;

  
   border:solid 1px #fff;     
  border-radius: 5px;            
  pointer-events: none;
  
}


[tooltip]:hover::before,
[tooltip]:hover::after {
  display: block;
}


[tooltip='']::before,
[tooltip='']::after {
  display: none !important;
}

[tooltip]:not([flow])::before,
[tooltip][flow^="up"]::before {
  bottom: 100%;
  border-bottom-width: 0;
  border-top-color: #333;
}
[tooltip]:not([flow])::after,
[tooltip][flow^="up"]::after {
  bottom: calc(100% + 5px);
}
[tooltip]:not([flow])::before,
[tooltip]:not([flow])::after,
[tooltip][flow^="up"]::before,
[tooltip][flow^="up"]::after {
  left: 50%;
  -webkit-transform: translate(-50%, -.5em);
          transform: translate(-50%, -.5em);
}


[tooltip][flow^="down"]::before {
  top: 100%;
  border-top-width: 0;
  border-bottom-color: #333;
}
[tooltip][flow^="down"]::after {
  top: calc(100% + 5px);
}
[tooltip][flow^="down"]::before,
[tooltip][flow^="down"]::after {
  left: 50%;
  -webkit-transform: translate(-50%, .5em);
          transform: translate(-50%, .5em);
}


[tooltip][flow^="left"]::before {
  top: 50%;
  border-right-width: 0;
  border-left-color: #333;
  left: calc(0em - 5px);
  -webkit-transform: translate(-.5em, -50%);
          transform: translate(-.5em, -50%);
}
[tooltip][flow^="left"]::after {
  top: 50%;
  right: calc(100% + 5px);
  -webkit-transform: translate(-.5em, -50%);
          transform: translate(-.5em, -50%);
}


[tooltip][flow^="right"]::before {
  top: 50%;
  border-left-width: 0;
  border-right-color: #333;
  right: calc(0em - 5px);
  -webkit-transform: translate(.5em, -50%);
          transform: translate(.5em, -50%);
}
[tooltip][flow^="right"]::after {
  top: 50%;
  left: calc(100% + 5px);
  -webkit-transform: translate(.5em, -50%);
          transform: translate(.5em, -50%);
}


@-webkit-keyframes tooltips-vert {
  to {
   opacity: 1; 
    -webkit-transform: translate(-50%, 0);
            transform: translate(-50%, 0);
  }
}
@keyframes tooltips-vert {
  to {
 opacity: 1;
    -webkit-transform: translate(-50%, 0);
            transform: translate(-50%, 0);
  }
}

@-webkit-keyframes tooltips-horz {
  to {
 opacity: 1;
    -webkit-transform: translate(0, -50%);
            transform: translate(0, -50%);
  }
}

@keyframes tooltips-horz {
  to {
opacity: 1;
    -webkit-transform: translate(0, -50%);
            transform: translate(0, -50%);
  }
}

[tooltip]:not([flow]):hover::before,
[tooltip]:not([flow]):hover::after,
[tooltip][flow^="up"]:hover::before,
[tooltip][flow^="up"]:hover::after,
[tooltip][flow^="down"]:hover::before,
[tooltip][flow^="down"]:hover::after {
  -webkit-animation: tooltips-vert 300ms ease-out forwards;
          animation: tooltips-vert 300ms ease-out forwards;
}

[tooltip][flow^="left"]:hover::before,
[tooltip][flow^="left"]:hover::after,
[tooltip][flow^="right"]:hover::before,
[tooltip][flow^="right"]:hover::after {
  -webkit-animation: tooltips-horz 300ms ease-out forwards;
          animation: tooltips-horz 300ms ease-out forwards;
}


#Слой_1{
	width: 100px;
	height: 100px;
}

</style>
<body>
<script type="text/javascript">
// создание кнопки
var btn950 = document.createElement('button'); // создание кнопки за кодом кнопки так как какая то ошибка 




btn950.id = 'cm51012'; // её id 

btn950.textContent = 'пуск'; // её текст


btn950.onclick = function() { // функция при клике на неё 




}

btn950.setAttribute("tooltip", "Уровень"); 



  document.body.appendChild(btn950);





var i9 = new Image();
var w9 = document.createElement('s9');
w9.appendChild(i9);

w9.id = 'Слой_1';




w9.setAttribute("tooltip3", "тест"); 

w9.setAttribute("flow", "down");


//i1.classList.add("zoom-on-hover4");

w9.classList.add("zoom-on-hover");

  document.body.appendChild(w9);


</script>


<svg id="Слой_1" data-name="Слой 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 479.2 364.2">
  <defs>
    <style>
      .cls-1 {
        fill: #8399b1;
      }

      .cls-2 {
        fill: #c8d2d8;
      }

      .cls-3 {
        fill: #a0b3ca;
      }
    </style>
  </defs>
  <title>9</title>
  <g>
    <g>
      <path class="cls-1" d="M665.66,346.28l.12.4.16.49.33,1,.69,2c.46,1.32,1.08,2.57,1.64,3.85s1.29,2.45,1.94,3.67,1.47,2.31,2.21,3.46a61.18,61.18,0,0,0,10.72,11.68l4.36-5.13a54.31,54.31,0,0,1-9.55-10.39,43.9,43.9,0,0,1-6.15-12.9Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M672.12,344.4a43.62,43.62,0,0,0,6.16,12.91,54.55,54.55,0,0,0,9.55,10.38l.75-.88a53.22,53.22,0,0,1-9.35-10.17,42.6,42.6,0,0,1-6-12.56Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M688.58,366.81l7.86-9.24a41.21,41.21,0,0,1-7.24-7.84c-.45-.72-1-1.4-1.37-2.14s-.84-1.45-1.17-2.2-.7-1.5-1-2.27l-.4-1.16-.2-.58-.1-.29-.12-.4-11.64,3.39a42.6,42.6,0,0,0,6,12.56A53.22,53.22,0,0,0,688.58,366.81Z" transform="translate(-432.85 -317.81)"/>
    </g>
    <g>
      <path class="cls-1" d="M682.75,372.19a92.48,92.48,0,0,0,25.49,15.31l2.57-6.22a86.2,86.2,0,0,1-23.63-14.16Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M687.18,367.12a86.2,86.2,0,0,0,23.63,14.16l.45-1.07a84.9,84.9,0,0,1-23.32-14Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M711.26,380.21,715.9,369a73.19,73.19,0,0,1-20-11.88l-8,9.13A84.9,84.9,0,0,0,711.26,380.21Z" transform="translate(-432.85 -317.81)"/>
    </g>
    <g>
      <path class="cls-1" d="M707.41,387.15l3.36,1.36c1.12.44,2.23.81,3.35,1.21l3.35,1.19c.56.19,1.12.4,1.68.58l1.7.5c2.28.66,4.54,1.38,6.83,2l6.9,1.66L736,389A156.63,156.63,0,0,1,710,381Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M710,381A156.63,156.63,0,0,0,736,389l.24-1.13a155.28,155.28,0,0,1-25.74-8Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M736.23,387.9,738.78,376l-6-1.44c-2-.52-4-1.16-6-1.73l-1.49-.43c-.49-.16-1-.34-1.46-.51l-2.92-1c-1-.35-2-.67-2.91-1l-2.8-1.13-4.72,11.17A155.28,155.28,0,0,0,736.23,387.9Z" transform="translate(-432.85 -317.81)"/>
    </g>
    <g>
      <path class="cls-1" d="M733.73,395.41a167,167,0,0,0,28.06,3.65l.3-6.73a160.38,160.38,0,0,1-26.91-3.49Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M735.18,388.84a159.36,159.36,0,0,0,26.91,3.49l0-1.15a160.08,160.08,0,0,1-26.71-3.47Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M762.14,391.18l.52-12.12a146.72,146.72,0,0,1-24.62-3.2l-2.61,11.85A160.08,160.08,0,0,0,762.14,391.18Z" transform="translate(-432.85 -317.81)"/>
    </g>
    <g>
      <path class="cls-1" d="M760.92,399A159.84,159.84,0,0,0,789.18,398l-.82-6.68a152.61,152.61,0,0,1-27.11,1Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M761.25,392.31a153.56,153.56,0,0,0,27.11-1l-.14-1.15a152.33,152.33,0,0,1-26.92,1Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M788.22,390.14l-1.48-12a141.34,141.34,0,0,1-24.85.93l-.59,12.11A152.33,152.33,0,0,0,788.22,390.14Z" transform="translate(-432.85 -317.81)"/>
    </g>
    <g>
      <path class="cls-1" d="M788.31,398.08A165.38,165.38,0,0,0,816,392.4L814.11,386a159.67,159.67,0,0,1-26.58,5.44Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M787.53,391.39A159.64,159.64,0,0,0,814.11,386l-.33-1.12a158.4,158.4,0,0,1-26.39,5.4Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M813.78,384.84l-3.47-11.62a145,145,0,0,1-24.33,5l1.41,12.05A158.4,158.4,0,0,0,813.78,384.84Z" transform="translate(-432.85 -317.81)"/>
    </g>
    <g>
      <path class="cls-1" d="M815.2,392.64a168,168,0,0,0,26.4-10.36l-3-6a159.94,159.94,0,0,1-25.28,9.91Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M813.31,386.18a160.25,160.25,0,0,0,25.27-9.92l-.52-1A158.79,158.79,0,0,1,813,385.06Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M838.06,375.22l-5.42-10.84a147.79,147.79,0,0,1-23.07,9L813,385.06A158.79,158.79,0,0,0,838.06,375.22Z" transform="translate(-432.85 -317.81)"/>
    </g>
    <g>
      <path class="cls-1" d="M840.82,382.67a220.22,220.22,0,0,0,24-14.06L861.14,363a215.12,215.12,0,0,1-23.31,13.63Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M837.83,376.63A212.55,212.55,0,0,0,861.14,363l-.64-1a212.38,212.38,0,0,1-23.18,13.56Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M860.5,362l-6.7-10.11A200.93,200.93,0,0,1,832,364.72l5.37,10.87A212.38,212.38,0,0,0,860.5,362Z" transform="translate(-432.85 -317.81)"/>
    </g>
    <g>
      <path class="cls-1" d="M864.16,369.07c7.64-5,14.94-10.31,22.13-15.5l-3.94-5.46c-7.19,5.19-14.42,10.41-21.9,15.34Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M860.45,363.46c7.48-4.94,14.71-10.16,21.9-15.35l-.68-.94c-7.19,5.19-14.41,10.4-21.86,15.32Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M881.67,347.17l-7.1-9.83c-7.19,5.19-14.27,10.3-21.44,15l6.68,10.13C867.26,357.57,874.48,352.36,881.67,347.17Z" transform="translate(-432.85 -317.81)"/>
    </g>
  </g>
  <g>
    <g>
      <path class="cls-1" d="M871.4,351.61c3,8.81,5.91,17.54,8.61,26.26l6.43-2c-2.73-8.83-5.68-17.62-8.66-26.43Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M877.78,349.46c3,8.8,5.93,17.59,8.66,26.42l1.11-.34c-2.74-8.85-5.7-17.65-8.67-26.46Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M887.55,375.54,899.14,372c-2.8-9-5.8-17.94-8.77-26.76l-11.49,3.88C881.85,357.89,884.81,366.69,887.55,375.54Z" transform="translate(-432.85 -317.81)"/>
    </g>
    <g>
      <path class="cls-1" d="M879.76,377.06c2.71,8.72,5.19,17.43,7.18,26.16l6.56-1.5c-2-9-4.56-17.83-7.31-26.66Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M886.19,375.06c2.74,8.83,5.27,17.7,7.31,26.66l1.13-.26c-2-9-4.58-17.9-7.33-26.74Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M894.63,401.46l11.82-2.71c-2.14-9.4-4.76-18.59-7.57-27.63l-11.58,3.6C890.05,383.56,892.58,392.46,894.63,401.46Z" transform="translate(-432.85 -317.81)"/>
    </g>
    <g>
      <path class="cls-1" d="M886.75,402.42a213.11,213.11,0,0,1,4.5,26.21l6.69-.68a219.51,219.51,0,0,0-4.63-27.06Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M893.31,400.89A219.51,219.51,0,0,1,897.94,428l1.16-.11a221,221,0,0,0-4.66-27.21Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M899.1,427.84l12.06-1.22a233.33,233.33,0,0,0-4.91-28.74l-11.81,2.75A221,221,0,0,1,899.1,427.84Z" transform="translate(-432.85 -317.81)"/>
    </g>
    <g>
      <path class="cls-1" d="M891.16,427.82q.32,3.29.56,6.55l.16,3.27.09,1.64,0,1.61,0,3.24c0,1.08,0,2.16-.07,3.23s-.05,2.16-.12,3.23l-.23,3.22,6.71.55a146,146,0,0,0-.47-27.25Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M897.85,427.12a145.92,145.92,0,0,1,.46,27.24l1.16.09A146.56,146.56,0,0,0,899,427Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M899.47,454.45l12.09,1,.27-3.74c.08-1.24.09-2.49.14-3.74s.1-2.49.08-3.74l0-3.73,0-1.87-.1-1.85-.19-3.69c-.18-2.46-.38-4.91-.63-7.35L899,427A146.56,146.56,0,0,1,899.47,454.45Z" transform="translate(-432.85 -317.81)"/>
    </g>
    <g>
      <path class="cls-1" d="M891.66,453A112.11,112.11,0,0,1,887,478.2l6.44,2a119.07,119.07,0,0,0,4.92-26.65Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-2" d="M898.38,453.52a119.64,119.64,0,0,1-4.92,26.65l1.11.34a120.25,120.25,0,0,0,5-26.91Z" transform="translate(-432.85 -317.81)"/>
      <path class="cls-3" d="M894.57,480.51l11.59,3.56a132.94,132.94,0,0,0,5.47-29.56l-12.1-.91A120.25,120.25,0,0,1,894.57,480.51Z" transform="translate(-432.85 -317.81)"/>
    </g>
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</svg>



</body>
</html>

Сергей Александров

Asked: 2020-11-06 00:53:17 +0800 CST

求解python方程[关闭]

-1

如何求解这样的方程？-0.235612354x - 2.9862145 - 4/sqrt(pi)*2^(x^3)=0

Сергей Александров

Asked: 2020-11-05 21:56:57 +0800 CST

如何在简化中插入变量

0

a111=200

我想插入此变量，但出现错误

  formula = "a111+(x-0.2)0.9823456+(x-0.235)(x-0.2145)(-0.976123)"

从 sympy 导入简化

from sympy.parsing.sympy_parser import (
        parse_expr,
        standard_transformations,
        implicit_application,
        implicit_multiplication,
        implicit_multiplication_application,
        function_exponentiation)

transformations=(standard_transformations +
                 (implicit_multiplication,
                  implicit_application,
                  function_exponentiation,
                  ))

formula = "0.88522+(x-0.2)0.9823456+(x-0.235)(x-0.2145)(-0.976123)"
expr = parse_expr(formula,transformations=transformations)
simplified_formula = simplify(expr)
print(simplified_formula)

Сергей Александров

Asked: 2020-11-05 21:01:22 +0800 CST

符号计算（简化数学表达式）

4

有这样一个例子：

0.88522+(x-0.2)*0.9823456+(x-0.235)(x-0.2145)*(-0.976123)

您需要将其转换为以下形式（结果来自Wolfram Mathematica）：

0.639547 + 1.42111 x - 0.976123 x^2

这如何实施python？

Сергей Александров

Asked: 2020-01-20 03:40:37 +0800 CST

如何删除图像js？[关闭]

1

var image1=new Image(); // добавление картинки

image1.src="3/2.jpg";  // расположение начального фона

function  q1(){ // начальный фон
ctx.drawImage(image1,0,0);  // прогрузка начального фона в координатах 0 0

}

image1.onload=q1; // когда картинки загрузится 




//Когда нажимаю на кнопку картинка должна удалятся 

btn2=document.createElement( 'BUTTON'); // создание кнопки
btn2.id='cmd2'; // её id 
btn2.textContent ='удалить картинку'; // её текст
document.body.appendChild(btn2); // нужно чтобы добавилось 
btn2.onclick=function(){ // функция при клике на неё 
}

Сергей Александров

Asked: 2020-01-13 18:32:18 +0800 CST

按钮js上的css动画

5

首先背景应该是空的，点击开始动画按钮后，出现一个方块并开始旋转，点击删除动画按钮后，这个方块被删除并返回一个空背景

<!DOCTYPE html>
<html>
<head>

<style type="text/css">


.square{
  width: 80px;
  height: 80px;
  margin: 30px auto;
  background-color: #A52A2A;
animation-name: spin;
animation-duration: 2s;
}

@keyframes spin{
  0%{
    transform: rotate(0deg);
  }
  100%{
    transform: rotate(360deg);
  }
}

</style>




</head>
<body>


 <div class="square"> </div>



<script type="text/javascript">

btn1=document.createElement('BUTTON');  // создание кнопки
btn1.id='cmd1';  // id кнопки
btn1.onclick = function(){ // функция при клике по ней
}
btn1.textContent ='начать анимацию'; // имя кнопки
document.body.appendChild(btn1); // нужно для добавления кнопки

btn2=document.createElement('BUTTON');  // вторая кнопка
btn2.id='cmd2';
btn2.onclick = function(){

}
btn2.textContent ='удалить анимацию'; // имя кнопки
document.body.appendChild(btn2);
</script>
</body>
</html>

Сергей Александров

Asked: 2020-01-12 18:31:24 +0800 CST

我在哪里可以找到浏览器游戏的 MIT 许可证？

3

许可证的本质是你只需要插入一个字母。

游戏有用户协议和隐私政策。同样通过单击右键转到源文件夹，您可以看到游戏代码，您可以在文本文件中指定此文本。

如果不遵守此许可证会受到什么处罚？

Сергей Александров

Asked: 2020-01-04 08:33:20 +0800 CST

查询用户的数据库[重复]

2

假设 id 是 12345。我需要从这个 id 中提取 boss 变量。并将其写入变量q。这样的查询如何在数据库中执行？

想象一下数据库的样子

$q = $mysqli->query("SELECT `id`, `boss` FROM `users` WHERE 1");

Сергей Александров

Asked: 2020-01-02 23:54:21 +0800 CST

如何在不重新加载页面的情况下将变量从 js 发送到

2

有一个变量，需要在php代码中下毒。如何实施？

<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<script type="text/javascript">
var a=1; // переменная a которую нужно отправить на php без перезагрузки страницы
</script>


<?php 
?>


</body>
</html>

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