更换smartTable目录结构及使用方式

lib/core/utils.js

@@ -0,0 +1,93 @@
+export function createTabelWrapper(className, vm, type, content) {
+  let wrapper = document.createElement("div");
+  wrapper.className = className;
+  let table = document.createElement("table");
+  table.className = "smart-table_" + type;
+  table.style.width = (vm.size.tabelWidth - 1) + "px";
+  table.appendChild(createColgroup(vm.colgroup));
+  table.appendChild(content);
+  wrapper.appendChild(table);
+  return wrapper;
+}
+
+export function replaceColGroup(vm, wrapper) {
+  let colgroup = createColgroup(vm.colgroup);
+  wrapper.replaceChild(colgroup, wrapper.querySelector('colgroup'));
+}
+
+export function getIntByAttr(el, key, def) {
+  return Number.parseInt(el.getAttribute(key) || def)
+}
+
+
+export function getEmptyIndexInArray(array) {
+  for (let i = 0, len = array.length; i < len; i++) {
+    if (array[i] === undefined) {
+      return i
+    }
+  }
+}
+
+export function throttle(delay, callback) {
+  let timeoutID;
+  let lastExec = 0;
+
+  function wrapper() {
+
+    let self = this;
+    let elapsed = new Date().getTime() - lastExec;
+    let args = arguments;
+
+    function exec() {
+      lastExec = new Date().getTime();
+      callback.apply(self, args)
+    }
+
+    function clear() {
+      timeoutID = undefined;
+    }
+
+    if (timeoutID) {
+      clearTimeout(timeoutID)
+    }
+
+    if (elapsed > delay) {
+      exec()
+    } else {
+      timeoutID = setTimeout(exec, delay - elapsed)
+    }
+  }
+
+  return wrapper;
+}
+
+export function debounce(delay, callback) {
+  let timeout = null;
+  return function () {
+    if (timeout !== null) clearTimeout(timeout);
+    timeout = setTimeout(callback, delay);
+  }
+}
+
+export function isWindows() {
+  var agent = navigator.userAgent.toLowerCase();
+  if (agent.indexOf("win32") >= 0 || agent.indexOf("wow32") >= 0) {
+    return true;
+  }
+  if (agent.indexOf("win64") >= 0 || agent.indexOf("wow64") >= 0) {
+    return true;
+  }
+  return false;
+}
+
+//创建colgroup节点
+function createColgroup(arr) {
+  if (!arr) return;
+  let colgroup = document.createElement("colgroup");
+  arr.forEach(item => {
+    let col = document.createElement("col");
+    col.setAttribute("width", item);
+    colgroup.appendChild(col)
+  })
+  return colgroup;
+}