css实现四角边框

 html：

   <div
            class="box"
            v-for="(item, index) in coldBaseInfo.stationModelList"
            :key="index"
          >
            <div class="boxleft">
              <img :src="photo[index]" alt="Image" />
            </div>

vue2：

  photo: [
        require("@/assets/img/bigscreen/two.jpg"),
        require("@/assets/img/bigscreen/four.png"),
        require("@/assets/img/bigscreen/five.jpg"),
        require("@/assets/img/bigscreen/ten.jpg"),
      ],

css：

.boxleft {
  
  background: linear-gradient(to left, #04C886, #04C886) left top no-repeat,
        linear-gradient(to bottom, #04C886, #04C886) left top no-repeat,
        linear-gradient(to left, #04C886, #04C886) right top no-repeat,
        linear-gradient(to bottom, #04C886, #04C886) right top no-repeat,
        linear-gradient(to left, #04C886, #04C886) left bottom no-repeat,
        linear-gradient(to bottom, #04C886, #04C886) left bottom no-repeat,
        linear-gradient(to left, #04C886, #04C886) right bottom no-repeat,
        linear-gradient(to left, #04C886, #04C886) right bottom no-repeat;
    background-size: 2px 10px, 10px 2px, 2px 10px, 10px 2px;
  img {
    width: 100%;
    height: 100%;
    padding: 4px;
    border: 2px solid #7fb1c580;
  } 
 
}

原文地址：https://blog.csdn.net/freedms/article/details/142481610

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