根据气象预警等级颜色获取图片名称，返回对应图片url的方法

/** * 根据预警等级颜色获取图片名称 * @param type * @param level */ function getImgName(type, level) { var levelMap = {"蓝色": "01s.png", "黄色": "02s.png", "橙色": "03s.png", "红色": "04s.png"}; var imgName = ''; switch (type) { case '台风': imgName = '01' + levelMap[level]; break; case '暴雨': imgName = '02' + levelMap[level]; break; case '暴雪': imgName = '03' + levelMap[level]; break; case '寒潮': imgName = '04' + levelMap[level]; break; case '大风': imgName = '05' + levelMap[level]; break; case '沙尘暴': imgName = '06' + levelMap[level]; break; case '高温': imgName = '07' + levelMap[level]; break; case '干旱': imgName = '08' + levelMap[level]; break; case '雷电': imgName = '09' + levelMap[level]; break; case '冰雹': imgName = '10' + levelMap[level]; break; case '霜冻': imgName = '11' + levelMap[level]; break; case '大雾': imgName = '12' + levelMap[level]; break; case '霾': imgName = '13' + levelMap[level]; break; case '道路结冰': imgName = '14' + levelMap[level]; break; } return '/img/alarmImg/' + imgName; }