ref |> 表情符号删除

http://192.168.1.3:8080/zentao/bug-view-20197.html

Signed-off-by: xugenyuan <xugenyuan@wondertek.com.cn>

 import { inputMethodEngine } from '@kit.IMEKit'
 import { commentInfo } from 'wdBean/Index'
 import { VoiceRecoginizer } from 'wdHwAbility'
-import { ToastUtils } from 'wdKit/Index'
+import { Logger, ToastUtils } from 'wdKit/Index'
 import { HttpUtils } from 'wdNetwork/Index'
 import { commentItemModel } from '../model/CommentModel'
 import { publishCommentModel } from '../model/PublishCommentModel'
@@ -9,6 +9,8 @@ import commentViewModel from '../viewmodel/CommentViewModel'
 import { VoiceInputView } from './VoiceInputView'
 import { common, UIAbility } from '@kit.AbilityKit'
 
+const TAG = "CommentInputDialog"
+
 export interface CommentDialogInputContent {
   comment?: string
   imageUrl?: string
@@ -213,15 +215,16 @@ export struct CommentCustomDialog {
 struct emojiView {
   @ObjectLink publishCommentModel: publishCommentModel
   /*没找到获取系统emoji的方案*/
-  private emojiString = '😀,😁,😂,😃,😄,😅,😆,😇,😈,😉,😊,😋,😌,😍,😎,😏,😐,😑,😒,😓,😔,😕,😖,😗,😘,😙,😚,😛,😜,😝,😞,😟,😠,😡,😢,😣,😤,😥,😦,😧,😨,😩,😪,😫,😬,😭,😮,😯,😰,😱,😲,😳,😴,😵,😶,😷,😸,😹,😺,😻,😼,😽,😾,😿,🙀,🙅,🙆,🙇,🙈,🙉,🙊,🙋,🙌,🙍,🙎,🙏'
+  private emojiArray = ["😀","😁","😂","😃","😄","😅","😆","😇","😈","😉","😊","😋","😌","😍","😎","😏","😐","😑","😒","😓","😔","😕","😖","😗","😘","😙","😚","😛","😜","😝","😞","😟","😠","😡","😢","😣","😤","😥","😦","😧","😨","😩","😪","😫","😬","😭","😮","😯","😰","😱","😲","😳","😴","😵","😶","😷","😸","😹","😺","😻","😼","😽","😾","😿","🙀","🙅","🙆","🙇","🙈","🙉","🙊","🙋","🙌","🙍","🙎","🙏"]
+  // private emojiCharCodeArray: number[] = []
     private displayArray: string[][] = []
   private swiperController: SwiperController = new SwiperController()
 
   aboutToAppear(): void {
 
 
-
-    this.displayArray = chunk(this.emojiString.split(','), 20)
+    // this.emojiCharCodeArray = this.emojiArray.map((a) => { return a.charCodeAt(0) })
+    this.displayArray = chunk(this.emojiArray, 20)
 
     //补上删除按钮以及空白占位
     let lastElement = this.displayArray.slice(-1)[0];
@@ -260,10 +263,27 @@ struct emojiView {
                 // .backgroundColor(Color.Orange)
               }.onClick(() => {
                 if (emoji == '删除') {
-                  this.publishCommentModel.commentContent = this.publishCommentModel.commentContent.substring(0, this.publishCommentModel.commentContent.length -1)
+                  let content = this.publishCommentModel.commentContent
+                  // if (content.length > 3) {
+                  //   if (isEmojiCharacter(content.substring(content.length-4))) {
+                  //     content = content.substring(0, content.length -4)
+                  //     this.publishCommentModel.commentContent = content
+                  //     return
+                  //   }
+                  // }
+                  if (content.length > 1) {
+                    if (isEmojiCharacter(content.substring(content.length-2))) {
+                      content = content.substring(0, content.length -2)
+                      this.publishCommentModel.commentContent = content
+                      return
+                    }
+                  }
+                  content = content.substring(0, content.length -1)
+                  this.publishCommentModel.commentContent = content
                 } else if (emoji == '') {
 
                 } else {
+                  Logger.debug(TAG, "charCode: " + emoji.charCodeAt(0) + " ==> " + emoji)
                   this.publishCommentModel.commentContent = this.publishCommentModel.commentContent + emoji
                 }
 
@@ -295,6 +315,45 @@ function chunk<T>(array: T[], size: number): T[][] {
   return result;
 }
 
-
-
-
+// https://blog.csdn.net/liaowenfeng/article/details/120484855
+function isEmojiCharacter(substring: string): boolean {
+  for (let i = 0; i < substring.length; i++) {
+    let hs = substring.charCodeAt(i);
+    if (0xd800 <= hs && hs <= 0xdbff) {
+      if (substring.length > 1) {
+        let ls = substring.charCodeAt(i + 1);
+        let uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000;
+        if (0x1d000 <= uc && uc <= 0x1f77f) {
+          return true;
+        }
+        if (0x1f900 <= uc && uc <= 0x1f9ff) {
+          // SupplementalSymBolsAndPictographs 字符串含有表情字符[U+1F900,U+1F90F]
+          // https://www.fileformat.info/info/unicode/block/supplemental_symbols_and_pictographs/index.htm
+          // https://www.fileformat.info/info/unicode/char/1f964/index.htm
+          return true;
+        }
+      }
+    }
+    else if (substring.length > 1) {
+      let ls = substring.charCodeAt(i + 1);
+      if (ls == 0x20e3) {
+        return true;
+      }
+    } else {
+      if (0x2100 <= hs && hs <= 0x27ff) {
+        return true;
+      } else if (0x2B05 <= hs && hs <= 0x2b07) {
+        return true;
+      } else if (0x2934 <= hs && hs <= 0x2935) {
+        return true;
+      } else if (0x3297 <= hs && hs <= 0x3299) {
+        return true;
+      } else if (hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030 ||
+        hs == 0x2b55 || hs == 0x2b1c || hs == 0x2b1b ||
+        hs == 0x2b50) {
+        return true;
+      }
+    }
+  }
+  return false;
+}