feature: added ja lang (#1999)

src/components/LangSelect/index.vue

@@ -13,6 +13,9 @@
       <el-dropdown-item :disabled="language==='es'" command="es">
         Español
       </el-dropdown-item>
+      <el-dropdown-item :disabled="language==='ja'" command="ja">
+        日本語
+      </el-dropdown-item>
     </el-dropdown-menu>
   </el-dropdown>
 </template>

src/components/Tinymce/index.vue

@@ -60,7 +60,8 @@ export default {
       fullscreen: false,
       languageTypeList: {
         'en': 'en',
-        'zh': 'zh_CN'
+        'zh': 'zh_CN',
+        'ja': 'ja'
       }
     }
   },
@@ -106,7 +107,7 @@ export default {
       window.tinymce.init({
         language: this.language,
         // language cnd URL, detail see https://github.com/PanJiaChen/tinymce-lang
-        language_url: 'https://cdn.jsdelivr.net/npm/tinymce-lang/langs/zh_CN.js',
+        language_url: `https://cdn.jsdelivr.net/npm/tinymce-lang/langs/${this.language}.js`,
         selector: `#${this.tinymceId}`,
         height: this.height,
         body_class: 'panel-body ',