vue动态循环背景图片

<div class="everyLeft" :style="item" v-for="(item,index) in note" :key="index">

              <p class="RealTimeDataFirst">{{item.title}}</p>

              <p class="RealTimeData"><span class="left_title">大气压力：</span>80 kpa</p>

              <p class="RealTimeData"><span class="left_title">PM&nbsp;&nbsp;&nbsp;&nbsp;2.5：</span>800 ug/m3</p>

              <p class="RealTimeData"><span class="left_title">PM&nbsp;&nbsp;&nbsp;&nbsp;10：</span>900 ug/m3</p>

            </div>

data里面数据：

note: [{

            title: "（3月31日）前天",

            backgroundImage: "url(" + require("@/assets/common_images/left2.png") + ")",//路径要这样请求

            backgroundRepeat: "no-repeat",

            backgroundSize: "cover",

            color: "#19D3D6"

          },

          {

            title: "（4月1日）昨天",

            backgroundImage: "url(" + require("@/assets/common_images/center2.png") + ")",

            backgroundRepeat: "no-repeat",

            backgroundSize: "cover",

            color: "#7798FF"

          },

          {

            title: '（4月2日）今天',

            backgroundImage: "url(" + require("@/assets/common_images/right2.png") + ")",

            backgroundRepeat: "no-repeat",

            backgroundSize: "cover",

            color: "#D4AAFF"

          }

        ],

so easy！