md编辑器增加br

public/react/src/modules/tpm/challengesnew/TPMMDEditor.js

@@ -3,9 +3,14 @@ import { getUploadActionUrl, getUrl } from 'educoder';
 import '../../courses/css/Courses.css'
 
 import './css/TPMchallengesnew.css';
+require('codemirror/lib/codemirror.css');
 
+
+let path = '/editormd/lib/'
+path = getUrl("/editormd/lib/")
 const $ = window.$;
 
+
 // 保存数据
 function md_add_data(k, mdu, d) {
     window.sessionStorage.setItem(k + mdu, d);
@@ -36,6 +41,7 @@ function md_elocalStorage(editor, mdu, id) {
     if (window.sessionStorage) {
         var oc = window.sessionStorage.getItem('content' + mdu);
         if (oc !== null && oc != editor.getValue()) {
+            console.log("#e_tips_" + id)
             $("#e_tips_" + id).data('editor', editor);
             var h = '您上次有已保存的数据，是否<a style="cursor: pointer;" class="link-color-blue" onclick="md_rec_data(\'content\',\'' + mdu + '\',\'' + id + '\')">恢复</a> ? / <a style="cursor: pointer;" class="link-color-blue" onclick="md_clear_data(\'content\',\'' + mdu + '\',\'' + id + '\')">不恢复</a>';
             $("#e_tips_" + id).html(h);
@@ -55,6 +61,7 @@ function md_elocalStorage(editor, mdu, id) {
 
                 var textStart = " 数据已于 "
                 var text = textStart + h + ':' + m + ':' + s + " 保存 ";
+                // 占位符   
                 var oldHtml = $(id2).html();
                 if (oldHtml && oldHtml != '　' && oldHtml.startsWith(textStart) == false) {
                     $(id2).html(oldHtml.split('　(')[0] + `　(${text})`);
@@ -184,9 +191,16 @@ export default class TPMMDEditor extends Component {
             initValue: ''
         }
     }
+    componentDidUpdate(prevProps, prevState) {
+        // 不能加，影响了试卷填空题
+        // if (this.props.initValue != prevProps.initValue) {
+        //     this.answers_editormd.setValue(this.props.initValue)
+        // }
+    }
+
     // react_mdEditor_
     componentDidMount = () => {
-        const { mdID, initValue, placeholder } = this.props;
+        const { mdID, initValue, placeholder, showNullButton } = this.props;
 
         let _id = `mdEditor_${mdID}`
         this.contentChanged = false;