vue 文本比较插件

npm install codemirror
diff-match-patch diff-match-patch

template:

<div id="view"></div>

js:

 import CodeMirror from 'codemirror'
  import 'codemirror/lib/codemirror.css'
  import 'codemirror/addon/merge/merge.js'
  import 'codemirror/addon/merge/merge.css'
  import DiffMatchPatch from 'diff-match-patch'
  window.diff_match_patch = DiffMatchPatch
  window.DIFF_DELETE = -1
  window.DIFF_INSERT = 1
  window.DIFF_EQUAL = 0

methods:
initUI(value,orig2) {
        if (value == null) return;
        let target = document.getElementById("view");
        target.innerHTML = "";
        CodeMirror.MergeView(target, {
          value: value,//上次内容
          origLeft: null,
          orig: orig2,//本次内容
          lineNumbers: true,//显示行号
          mode: "text/html",
          highlightDifferences: true,
          connect: 'align',
          readOnly: true,//只读 不可修改
        });
      }

效果如图：