首页
所有分类
TAGS
文字工具 EMOJI BIBLE
编程 Javascript

JavaScript实现的图像模糊算法代码分享

Posted in Javascript onApril 22, 2014

项目中需要用到HTML5模糊图像，以前用GDI，GDI+中都有现成的组件来实现，HTML5中如何实现？
1.createImageData()
2.getImageData()
3.putImageData()
以上3个函数即可实现，用法和奥义，自己百度吧,我就不重复叙述了，没多大的意义。

以下是实现模糊算法的JS，其实还有种2B级算法就是分布矩阵，这样效率提高很多倍，不过效果很差，羽化的效果不强。
实现代码：

var mul_table = [
        512,512,456,512,328,456,335,512,405,328,271,456,388,335,292,512,
        454,405,364,328,298,271,496,456,420,388,360,335,312,292,273,512,
        482,454,428,405,383,364,345,328,312,298,284,271,259,496,475,456,
        437,420,404,388,374,360,347,335,323,312,302,292,282,273,265,512,
        497,482,468,454,441,428,417,405,394,383,373,364,354,345,337,328,
        320,312,305,298,291,284,278,271,265,259,507,496,485,475,465,456,
        446,437,428,420,412,404,396,388,381,374,367,360,354,347,341,335,
        329,323,318,312,307,302,297,292,287,282,278,273,269,265,261,512,
        505,497,489,482,475,468,461,454,447,441,435,428,422,417,411,405,
        399,394,389,383,378,373,368,364,359,354,350,345,341,337,332,328,
        324,320,316,312,309,305,301,298,294,291,287,284,281,278,274,271,
        268,265,262,259,257,507,501,496,491,485,480,475,470,465,460,456,
        451,446,442,437,433,428,424,420,416,412,408,404,400,396,392,388,
        385,381,377,374,370,367,363,360,357,354,350,347,344,341,338,335,
        332,329,326,323,320,318,315,312,310,307,304,302,299,297,294,292,
        289,287,285,282,280,278,275,273,271,269,267,265,263,261,259];   
var shg_table = [
         9, 11, 12, 13, 13, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 
        17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 19, 
        19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20,
        20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 21,
        21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
        21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 
        22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
        22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 
        23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
        23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
        23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 
        23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 
        24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
        24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
        24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
        24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24 ];

function stackBlurImage( imageID, canvasID, radius, blurAlphaChannel )
{
     var img = document.getElementById( imageID );
    var w = img.naturalWidth;
    var h = img.naturalHeight;
    var canvas = document.getElementById( canvasID );
    canvas.style.width  = w + "px";
    canvas.style.height = h + "px";
    canvas.width = w;
    canvas.height = h;
    var context = canvas.getContext("2d");
    context.clearRect( 0, 0, w, h );
    context.drawImage( img, 0, 0 );
    if ( isNaN(radius) || radius < 1 ) return;
    if ( blurAlphaChannel )
        stackBlurCanvasRGBA( canvasID, 0, 0, w, h, radius );
    else 
        stackBlurCanvasRGB( canvasID, 0, 0, w, h, radius );
}

function stackBlurCanvasRGBA( id, top_x, top_y, width, height, radius )
{
    if ( isNaN(radius) || radius < 1 ) return;
    radius |= 0;
    var canvas  = document.getElementById( id );
    var context = canvas.getContext("2d");
    var imageData;
    try {
      try {
        imageData = context.getImageData( top_x, top_y, width, height );
      } catch(e) {
     
        try {
            netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
            imageData = context.getImageData( top_x, top_y, width, height );
        } catch(e) {
            alert("Cannot access local image");
            throw new Error("unable to access local image data: " + e);
            return;
        }
      }
    } catch(e) {
      alert("Cannot access image");
      throw new Error("unable to access image data: " + e);
    }
    var pixels = imageData.data;
    var x, y, i, p, yp, yi, yw, r_sum, g_sum, b_sum, a_sum, 
    r_out_sum, g_out_sum, b_out_sum, a_out_sum,
    r_in_sum, g_in_sum, b_in_sum, a_in_sum, 
    pr, pg, pb, pa, rbs;
    var div = radius + radius + 1;
    var w4 = width << 2;
    var widthMinus1  = width - 1;
    var heightMinus1 = height - 1;
    var radiusPlus1  = radius + 1;
    var sumFactor = radiusPlus1 * ( radiusPlus1 + 1 ) / 2;
    var stackStart = new BlurStack();
    var stack = stackStart;
    for ( i = 1; i < div; i++ )
    {
        stack = stack.next = new BlurStack();
        if ( i == radiusPlus1 ) var stackEnd = stack;
    }
    stack.next = stackStart;
    var stackIn = null;
    var stackOut = null;
    yw = yi = 0;
    var mul_sum = mul_table[radius];
    var shg_sum = shg_table[radius];
    for ( y = 0; y < height; y++ )
    {
        r_in_sum = g_in_sum = b_in_sum = a_in_sum = r_sum = g_sum = b_sum = a_sum = 0;
        r_out_sum = radiusPlus1 * ( pr = pixels[yi] );
        g_out_sum = radiusPlus1 * ( pg = pixels[yi+1] );
        b_out_sum = radiusPlus1 * ( pb = pixels[yi+2] );
        a_out_sum = radiusPlus1 * ( pa = pixels[yi+3] );
        r_sum += sumFactor * pr;
        g_sum += sumFactor * pg;
        b_sum += sumFactor * pb;
        a_sum += sumFactor * pa;
        stack = stackStart;
        for( i = 0; i < radiusPlus1; i++ )
        {
            stack.r = pr;
            stack.g = pg;
            stack.b = pb;
            stack.a = pa;
            stack = stack.next;
        }
        for( i = 1; i < radiusPlus1; i++ )
        {
            p = yi + (( widthMinus1 < i ? widthMinus1 : i ) << 2 );
            r_sum += ( stack.r = ( pr = pixels[p])) * ( rbs = radiusPlus1 - i );
            g_sum += ( stack.g = ( pg = pixels[p+1])) * rbs;
            b_sum += ( stack.b = ( pb = pixels[p+2])) * rbs;
            a_sum += ( stack.a = ( pa = pixels[p+3])) * rbs;
            r_in_sum += pr;
            g_in_sum += pg;
            b_in_sum += pb;
            a_in_sum += pa;
            stack = stack.next;
        }
        
        stackIn = stackStart;
        stackOut = stackEnd;
        for ( x = 0; x < width; x++ )
        {
            pixels[yi+3] = pa = (a_sum * mul_sum) >> shg_sum;
            if ( pa != 0 )
            {
                pa = 255 / pa;
                pixels[yi]   = ((r_sum * mul_sum) >> shg_sum) * pa;
                pixels[yi+1] = ((g_sum * mul_sum) >> shg_sum) * pa;
                pixels[yi+2] = ((b_sum * mul_sum) >> shg_sum) * pa;
            } else {
                pixels[yi] = pixels[yi+1] = pixels[yi+2] = 0;
            }
            r_sum -= r_out_sum;
            g_sum -= g_out_sum;
            b_sum -= b_out_sum;
            a_sum -= a_out_sum;
            r_out_sum -= stackIn.r;
            g_out_sum -= stackIn.g;
            b_out_sum -= stackIn.b;
            a_out_sum -= stackIn.a;
            p =  ( yw + ( ( p = x + radius + 1 ) < widthMinus1 ? p : widthMinus1 ) ) << 2;
            r_in_sum += ( stackIn.r = pixels[p]);
            g_in_sum += ( stackIn.g = pixels[p+1]);
            b_in_sum += ( stackIn.b = pixels[p+2]);
            a_in_sum += ( stackIn.a = pixels[p+3]);
            r_sum += r_in_sum;
            g_sum += g_in_sum;
            b_sum += b_in_sum;
            a_sum += a_in_sum;
            stackIn = stackIn.next;
            r_out_sum += ( pr = stackOut.r );
            g_out_sum += ( pg = stackOut.g );
            b_out_sum += ( pb = stackOut.b );
            a_out_sum += ( pa = stackOut.a );
            r_in_sum -= pr;
            g_in_sum -= pg;
            b_in_sum -= pb;
            a_in_sum -= pa;
            stackOut = stackOut.next;
            yi += 4;
        }
        yw += width;
    }
    
    for ( x = 0; x < width; x++ )
    {
        g_in_sum = b_in_sum = a_in_sum = r_in_sum = g_sum = b_sum = a_sum = r_sum = 0;
        yi = x << 2;
        r_out_sum = radiusPlus1 * ( pr = pixels[yi]);
        g_out_sum = radiusPlus1 * ( pg = pixels[yi+1]);
        b_out_sum = radiusPlus1 * ( pb = pixels[yi+2]);
        a_out_sum = radiusPlus1 * ( pa = pixels[yi+3]);
        r_sum += sumFactor * pr;
        g_sum += sumFactor * pg;
        b_sum += sumFactor * pb;
        a_sum += sumFactor * pa;
        stack = stackStart;
        for( i = 0; i < radiusPlus1; i++ )
        {
            stack.r = pr;
            stack.g = pg;
            stack.b = pb;
            stack.a = pa;
            stack = stack.next;
        }
        yp = width;
        for( i = 1; i <= radius; i++ )
        {
            yi = ( yp + x ) << 2;
            r_sum += ( stack.r = ( pr = pixels[yi])) * ( rbs = radiusPlus1 - i );
            g_sum += ( stack.g = ( pg = pixels[yi+1])) * rbs;
            b_sum += ( stack.b = ( pb = pixels[yi+2])) * rbs;
            a_sum += ( stack.a = ( pa = pixels[yi+3])) * rbs;
            r_in_sum += pr;
            g_in_sum += pg;
            b_in_sum += pb;
            a_in_sum += pa;
            stack = stack.next;
            if( i < heightMinus1 )
            {
                yp += width;
            }
        }
        yi = x;
        stackIn = stackStart;
        stackOut = stackEnd;
        for ( y = 0; y < height; y++ )
        {
            p = yi << 2;
            pixels[p+3] = pa = (a_sum * mul_sum) >> shg_sum;
            if ( pa > 0 )
            {
                pa = 255 / pa;
                pixels[p]   = ((r_sum * mul_sum) >> shg_sum ) * pa;
                pixels[p+1] = ((g_sum * mul_sum) >> shg_sum ) * pa;
                pixels[p+2] = ((b_sum * mul_sum) >> shg_sum ) * pa;
            } else {
                pixels[p] = pixels[p+1] = pixels[p+2] = 0;
            }
            r_sum -= r_out_sum;
            g_sum -= g_out_sum;
            b_sum -= b_out_sum;
            a_sum -= a_out_sum;
            r_out_sum -= stackIn.r;
            g_out_sum -= stackIn.g;
            b_out_sum -= stackIn.b;
            a_out_sum -= stackIn.a;
            p = ( x + (( ( p = y + radiusPlus1) < heightMinus1 ? p : heightMinus1 ) * width )) << 2;
            r_sum += ( r_in_sum += ( stackIn.r = pixels[p]));
            g_sum += ( g_in_sum += ( stackIn.g = pixels[p+1]));
            b_sum += ( b_in_sum += ( stackIn.b = pixels[p+2]));
            a_sum += ( a_in_sum += ( stackIn.a = pixels[p+3]));
            stackIn = stackIn.next;
            r_out_sum += ( pr = stackOut.r );
            g_out_sum += ( pg = stackOut.g );
            b_out_sum += ( pb = stackOut.b );
            a_out_sum += ( pa = stackOut.a );
            r_in_sum -= pr;
            g_in_sum -= pg;
            b_in_sum -= pb;
            a_in_sum -= pa;
            stackOut = stackOut.next;
            yi += width;
        }
    }
    context.putImageData( imageData, top_x, top_y );
}

function stackBlurCanvasRGB( id, top_x, top_y, width, height, radius )
{
    if ( isNaN(radius) || radius < 1 ) return;
    radius |= 0;
    var canvas  = document.getElementById( id );
    var context = canvas.getContext("2d");
    var imageData;
    try {
      try {
        imageData = context.getImageData( top_x, top_y, width, height );
      } catch(e) {
  
        try {
            netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
            imageData = context.getImageData( top_x, top_y, width, height );
        } catch(e) {
            alert("Cannot access local image");
            throw new Error("unable to access local image data: " + e);
            return;
        }
      }
    } catch(e) {
      alert("Cannot access image");
      throw new Error("unable to access image data: " + e);
    }
    var pixels = imageData.data;
    var x, y, i, p, yp, yi, yw, r_sum, g_sum, b_sum,
    r_out_sum, g_out_sum, b_out_sum,
    r_in_sum, g_in_sum, b_in_sum,
    pr, pg, pb, rbs;
    var div = radius + radius + 1;
    var w4 = width << 2;
    var widthMinus1  = width - 1;
    var heightMinus1 = height - 1;
    var radiusPlus1  = radius + 1;
    var sumFactor = radiusPlus1 * ( radiusPlus1 + 1 ) / 2;
    var stackStart = new BlurStack();
    var stack = stackStart;
    for ( i = 1; i < div; i++ )
    {
        stack = stack.next = new BlurStack();
        if ( i == radiusPlus1 ) var stackEnd = stack;
    }
    stack.next = stackStart;
    var stackIn = null;
    var stackOut = null;
    yw = yi = 0;
    var mul_sum = mul_table[radius];
    var shg_sum = shg_table[radius];
    for ( y = 0; y < height; y++ )
    {
        r_in_sum = g_in_sum = b_in_sum = r_sum = g_sum = b_sum = 0;
        r_out_sum = radiusPlus1 * ( pr = pixels[yi] );
        g_out_sum = radiusPlus1 * ( pg = pixels[yi+1] );
        b_out_sum = radiusPlus1 * ( pb = pixels[yi+2] );
        r_sum += sumFactor * pr;
        g_sum += sumFactor * pg;
        b_sum += sumFactor * pb;
        stack = stackStart;
        for( i = 0; i < radiusPlus1; i++ )
        {
            stack.r = pr;
            stack.g = pg;
            stack.b = pb;
            stack = stack.next;
        }
        for( i = 1; i < radiusPlus1; i++ )
        {
            p = yi + (( widthMinus1 < i ? widthMinus1 : i ) << 2 );
            r_sum += ( stack.r = ( pr = pixels[p])) * ( rbs = radiusPlus1 - i );
            g_sum += ( stack.g = ( pg = pixels[p+1])) * rbs;
            b_sum += ( stack.b = ( pb = pixels[p+2])) * rbs;
            r_in_sum += pr;
            g_in_sum += pg;
            b_in_sum += pb;
            stack = stack.next;
        }
        
        stackIn = stackStart;
        stackOut = stackEnd;
        for ( x = 0; x < width; x++ )
        {
            pixels[yi]   = (r_sum * mul_sum) >> shg_sum;
            pixels[yi+1] = (g_sum * mul_sum) >> shg_sum;
            pixels[yi+2] = (b_sum * mul_sum) >> shg_sum;
            r_sum -= r_out_sum;
            g_sum -= g_out_sum;
            b_sum -= b_out_sum;
            r_out_sum -= stackIn.r;
            g_out_sum -= stackIn.g;
            b_out_sum -= stackIn.b;
            p =  ( yw + ( ( p = x + radius + 1 ) < widthMinus1 ? p : widthMinus1 ) ) << 2;
            r_in_sum += ( stackIn.r = pixels[p]);
            g_in_sum += ( stackIn.g = pixels[p+1]);
            b_in_sum += ( stackIn.b = pixels[p+2]);
            r_sum += r_in_sum;
            g_sum += g_in_sum;
            b_sum += b_in_sum;
            stackIn = stackIn.next;
            r_out_sum += ( pr = stackOut.r );
            g_out_sum += ( pg = stackOut.g );
            b_out_sum += ( pb = stackOut.b );
            r_in_sum -= pr;
            g_in_sum -= pg;
            b_in_sum -= pb;
            stackOut = stackOut.next;
            yi += 4;
        }
        yw += width;
    }
    
    for ( x = 0; x < width; x++ )
    {
        g_in_sum = b_in_sum = r_in_sum = g_sum = b_sum = r_sum = 0;
        yi = x << 2;
        r_out_sum = radiusPlus1 * ( pr = pixels[yi]);
        g_out_sum = radiusPlus1 * ( pg = pixels[yi+1]);
        b_out_sum = radiusPlus1 * ( pb = pixels[yi+2]);
        r_sum += sumFactor * pr;
        g_sum += sumFactor * pg;
        b_sum += sumFactor * pb;
        stack = stackStart;
        for( i = 0; i < radiusPlus1; i++ )
        {
            stack.r = pr;
            stack.g = pg;
            stack.b = pb;
            stack = stack.next;
        }
        yp = width;
        for( i = 1; i <= radius; i++ )
        {
            yi = ( yp + x ) << 2;
            r_sum += ( stack.r = ( pr = pixels[yi])) * ( rbs = radiusPlus1 - i );
            g_sum += ( stack.g = ( pg = pixels[yi+1])) * rbs;
            b_sum += ( stack.b = ( pb = pixels[yi+2])) * rbs;
            r_in_sum += pr;
            g_in_sum += pg;
            b_in_sum += pb;
            stack = stack.next;
            if( i < heightMinus1 )
            {
                yp += width;
            }
        }
        yi = x;
        stackIn = stackStart;
        stackOut = stackEnd;
        for ( y = 0; y < height; y++ )
        {
            p = yi << 2;
            pixels[p]   = (r_sum * mul_sum) >> shg_sum;
            pixels[p+1] = (g_sum * mul_sum) >> shg_sum;
            pixels[p+2] = (b_sum * mul_sum) >> shg_sum;
            r_sum -= r_out_sum;
            g_sum -= g_out_sum;
            b_sum -= b_out_sum;
            r_out_sum -= stackIn.r;
            g_out_sum -= stackIn.g;
            b_out_sum -= stackIn.b;
            p = ( x + (( ( p = y + radiusPlus1) < heightMinus1 ? p : heightMinus1 ) * width )) << 2;
            r_sum += ( r_in_sum += ( stackIn.r = pixels[p]));
            g_sum += ( g_in_sum += ( stackIn.g = pixels[p+1]));
            b_sum += ( b_in_sum += ( stackIn.b = pixels[p+2]));
            stackIn = stackIn.next;
            r_out_sum += ( pr = stackOut.r );
            g_out_sum += ( pg = stackOut.g );
            b_out_sum += ( pb = stackOut.b );
            r_in_sum -= pr;
            g_in_sum -= pg;
            b_in_sum -= pb;
            stackOut = stackOut.next;
            yi += width;
        }
    }
    context.putImageData( imageData, top_x, top_y );
}
function BlurStack()
{
    this.r = 0;
    this.g = 0;
    this.b = 0;
    this.a = 0;
    this.next = null;
}

使用方法：

stackBlurImage( sourceImageID, targetCanvasID, radius, blurAlphaChannel );
stackBlurCanvasRGBA( targetCanvasID, top_x, top_y, width, height, radius );
stackBlurCanvasRGB( targetCanvasID, top_x, top_y, width, height, radius );

JavaScript实现的图像模糊算法代码分享

声明：登载此文出于传递更多信息之目的，并不意味着赞同其观点或证实其描述。

Javascript 相关文章推荐
extjs form textfield的隐藏方法
Dec 29 Javascript
jQuery 表单验证扩展代码(一)
Oct 11 Javascript
js 编程笔记 无名函数
Jun 28 Javascript
cument.execCommand()用法深入理解
Dec 04 Javascript
JS模块与命名空间的介绍
Mar 22 Javascript
JavaScript编程的10个实用小技巧
Apr 18 Javascript
javascript中Date format(js日期格式化)方法小结
Dec 17 Javascript
jquery实现表格中点击相应行变色功能效果【实例代码】
May 09 Javascript
简单实现js浮动框
Dec 13 Javascript
JS简单获取当前日期和农历日期的方法
Apr 17 Javascript
JS库之Particles.js中文开发手册及参数详解
Sep 13 Javascript
koa源码中promise的解读
Nov 13 Javascript
JavaScript闭包实例讲解
Apr 22 #Javascript
JavaScript函数的4种调用方法详解
Apr 22 #Javascript
JavaScript实现存储HTML字符串示例
Apr 21 #Javascript
JavaScript获取flash对象与网上的有所不同
Apr 21 #Javascript
js unicode 编码解析关于数据转换为中文的两种方法
Apr 21 #Javascript
jquery form 加载数据示例
Apr 21 #Javascript
三种方式获取XMLHttpRequest对象
Apr 21 #Javascript
分块(1) 安卓(1) android studio(3) 装饰器(1) 移动开发(2) 查找算法(1) 嵌套(1) 循环(3) decorator(1) 二维数组(2)
You might like
在Mac上编译安装PHP7的开发环境
2015/07/28 PHP
Zend Framework生成验证码并实现验证码验证功能(附demo源码下载)
2016/03/22 PHP
详解PHP处理字符串类似indexof的方法函数
2017/06/11 PHP
JQuery 绑定事件时传递参数的实现方法
2009/10/13 Javascript
JQuery 图片延迟加载并等比缩放插件
2009/11/09 Javascript
JavaScript获取FCK编辑器信息的具体方法
2013/07/12 Javascript
javascript学习笔记（一）基础知识
2014/09/30 Javascript
AngularJS入门教程（零）：引导程序
2014/12/06 Javascript
jQuery取得iframe中元素的常用方法详解
2016/01/14 Javascript
jQuery实现多级联动下拉列表查询框
2016/01/18 Javascript
AngularJs解决跨域问题案例详解(简单方法)
2016/05/19 Javascript
深入浅出ES6新特性之函数默认参数和箭头函数
2016/08/01 Javascript
React实现点击删除列表中对应项
2017/01/10 Javascript
详解vue过滤器在v2.0版本用法
2017/06/01 Javascript
微信小程序富文本渲染引擎的详解
2017/09/30 Javascript
JS实现元素上下左右移动效果
2017/10/18 Javascript
Node.js上传文件功能之服务端如何获取文件上传进度
2018/02/05 Javascript
微信小程序bindinput与bindsubmit的区别实例分析
2019/04/17 Javascript
VUE组件中的 Drawer 抽屉实现代码
2019/08/06 Javascript
解决jquery validate 验证不通过后验证正确的信息仍残留在label上的方法
2019/08/27 jQuery
JS Generator 函数的含义与用法实例总结
2020/04/08 Javascript
python获取从命令行输入数字的方法
2015/04/29 Python
Python基于yield遍历多个可迭代对象
2020/03/12 Python
浅谈python 类方法/静态方法
2020/09/18 Python
美国汽车性能部件和赛车零件网站：Vivid Racing
2018/03/27 全球购物
应用化学专业本科生求职信
2013/09/29 职场文书
优秀应届毕业生自荐信
2013/11/16 职场文书
大学生职业生涯规划书范文
2014/01/04 职场文书
2014年医德医风工作总结
2014/11/13 职场文书
2014年高二班主任工作总结
2014/12/16 职场文书
助学感谢信范文
2015/01/21 职场文书
职代会闭幕词
2015/01/28 职场文书
网上祭英烈活动总结
2015/02/04 职场文书
2015年学习部工作总结范文
2015/03/31 职场文书
Python利器openpyxl之操作excel表格
2021/04/17 Python
德劲DE1102数字调谐收音机机评
2022/04/07 无线电