JeecgBoot 2.3 里程碑版本发布，支持微服务和单体自由切换、提供新行编辑表格JVXETable

ant-design-vue-jeecg/src/components/jeecg/dynamic/load.js

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+let callbacks = []
+
+function loadSuccess(key) {
+  // to fixed https://github.com/PanJiaChen/vue-element-admin/issues/2144
+  // check is successfully downloaded script
+  return window[key]
+}
+
+const load = (src, type, callback) => {
+  if(type=='link'){
+
+    loadStyle(src, callback)
+  }else{
+    let loadKey = ''
+    if(src.indexOf('tinymce')>=0){
+      loadKey = 'tinymce'
+    }else if(src.indexOf('codemirror')>=0){
+      loadKey = 'CodeMirror'
+    }
+    const scriptTag = document.getElementById(src)
+    //const cb = callback || function() {}
+    if (!scriptTag) {
+      const script = document.createElement('script')
+      script.src = src // src url for the third-party library being loaded.
+      script.id = src
+      script.onload=()=>callback()
+      script.onerror=()=>callback('加载失败：'+src)
+      document.body.appendChild(script)
+      //callbacks.push(cb)
+     // const onEnd = 'onload' in script ? stdOnEnd : ieOnEnd
+     // onEnd(script)
+    }else{
+      if (loadSuccess(loadKey)) {
+        callback()
+      }
+    }
+
+    if (scriptTag) {
+     /* else {
+        callbacks.push(cb)
+      }*/
+    }
+  }
+
+  function stdOnEnd(script) {
+    script['onload'] = function() {
+      // this.onload = null here is necessary
+      // because even IE9 works not like others
+      this.onerror = this.onload = null
+      for (const cb of callbacks) {
+        cb(null, script)
+      }
+      callbacks = null
+    }
+    script['onerror'] = function() {
+      this.onerror = this.onload = null
+      cb(new Error('Failed to load ' + src), script)
+    }
+  }
+
+  function ieOnEnd(script) {
+    script.onreadystatechange = function() {
+      if (this.readyState !== 'complete' && this.readyState !== 'loaded') return
+      this.onreadystatechange = null
+      for (const cb of callbacks) {
+        cb(null, script) // there is no way to catch loading errors in IE8
+      }
+      callbacks = null
+    }
+  }
+
+  function loadStyle(src, callback) {
+    const link = document.getElementById(src)
+    if (!link) {
+      const link = document.createElement('link')
+      link.setAttribute("rel", "stylesheet");
+      link.setAttribute("type", "text/css");
+      link.setAttribute("href", src);
+      link.id = src
+      let heads = document.getElementsByTagName("head")
+      if(heads.length){
+        heads[0].appendChild(link)
+      }else{
+        document.documentElement.appendChild(link)
+      }
+    }
+    callback();
+  }
+
+}
+
+export default load