[improvement] Area: support oversrea code (#1897)

packages/area/demo/area.js

@@ -33,7 +33,8 @@ export default {
     '650000': '新疆维吾尔自治区',
     '710000': '台湾省',
     '810000': '香港特别行政区',
-    '820000': '澳门特别行政区'
+    '820000': '澳门特别行政区',
+    '900000': '海外'
   },
   city_list: {
     '110100': '北京市',
@@ -406,7 +407,10 @@ export default {
     '810200': '九龙',
     '810300': '新界',
     '820100': '澳门半岛',
-    '820200': '离岛'
+    '820200': '离岛',
+    '912400': '加拿大',
+    '941000': '韩国',
+    '984000': '美国'
   },
   county_list: {
     '110101': '东城区',

packages/area/index.vue

@@ -100,6 +100,11 @@ export default create({
       }));
 
       if (code) {
+        // oversea code
+        if (code[0] === '9' && type === 'city') {
+          code = '9';
+        }
+
         result = result.filter(item => item.code.indexOf(code) === 0);
       }
 
@@ -108,10 +113,15 @@ export default create({
 
     // get index by code
     getIndex(type, code) {
-      const compareNum = type === 'province' ? 2 : type === 'city' ? 4 : 6;
+      let compareNum = type === 'province' ? 2 : type === 'city' ? 4 : 6;
       const list = this.getList(type, code.slice(0, compareNum - 2));
-      code = code.slice(0, compareNum);
 
+      // oversea code
+      if (code[0] === '9' && type === 'province') {
+        compareNum = 1;
+      }
+
+      code = code.slice(0, compareNum);
       for (let i = 0; i < list.length; i++) {
         if (list[i].code.slice(0, compareNum) === code) {
           return i;
@@ -153,7 +163,36 @@ export default create({
     },
 
     getValues() {
-      return this.$refs.picker ? this.$refs.picker.getValues() : [];
+      return this.$refs.picker ? this.$refs.picker.getValues().filter(value => !!value) : [];
+    },
+
+    getArea() {
+      const values = this.getValues();
+      const area = {
+        code: '',
+        country: '',
+        province: '',
+        city: '',
+        county: ''
+      };
+
+      if (!values.length) {
+        return area;
+      }
+
+      const names = values.map(item => item.name);
+
+      area.code = values[values.length - 1].code;
+      if (area.code[0] === '9') {
+        area.country = names[1] || '';
+        area.province = names[2] || '';
+      } else {
+        area.province = names[0] || '';
+        area.city = names[1] || '';
+        area.county = names[2] || '';
+      }
+
+      return area;
     },
 
     reset() {