1.纯js批量生成二维码2.模仿微博头像裁剪3.canvas绘饼状图4.拉取全国行政区数据小菜将所有在博客上的示例都集中收集起来，放在小菜自己的服务器上。方便小伙伴们查找。1.纯js批量生成二维码博客地址/vue/2019/01/22/qrcode.html示例演示地址http://walidream.com/example/qrcode/2.模仿微博头像裁剪博客地址/canvas/2018/02/24/portraitNailor.html示例演示地址http://walidream.com/example/portraitNailor/3.canvas绘饼状图/canvas/2018/01/14/pieChart.html示例演示地址http://walidream.com/example/canvas/pieChart/4.拉取全国行政区数据示例演示地址http://walidream.com/example/js/gaoDedDstrict/5.echars配置示例演示地址http://walidream.com/example/js/echarts/6.模仿mac的日历演示地址http://walidream.com/example/js/calendar/