BUG 25647

src/common/util.js

@@ -33,7 +33,6 @@ const calcAge = (code) => {
   return Math.ceil($moment().year() - $moment(birthday).year())
 }
 
-
 export default {
   dict,
   confirm,
@@ -52,5 +51,27 @@ export default {
   },
   hideLoading: () => {
     uni.hideLoading()
+  },
+  colorUtils: {
+    Hex2RGBA(color, alpha = 1) {
+      let hex = 0;
+      if (color.charAt(0) == "#") {
+        if (color.length == 4) {
+          //检测诸如#FFF简写格式
+          color = "#" + color.charAt(1).repeat(2) +
+              color.charAt(2).repeat(2) +
+              color.charAt(3).repeat(2);
+        }
+        hex = parseInt(color.slice(1), 16);
+      }
+      let r = hex >> 16 & 0xFF;
+      let g = hex >> 8 & 0xFF;
+      let b = hex & 0xFF;
+      return `rgba(${r},${g},${b},${alpha})`;
+    },
+    RGBtoHex(r, g, b) {
+      let hex = r << 16 | g << 8 | b;
+      return "#" + hex.toString(16);
+    }
   }
 }