ty-mobile-uni/api/loading.js

uView UI，是uni-app生态优秀的UI框架，全面的组件和便捷的工具会让您信手拈来，如鱼得水

//全局loading方法
var needLoadingRequestCount = 0;
var loading;

function startLoading() {
  uni.showLoading({
  	title: '加载中',
  	mask: true,
  });
}

function endLoading() {
 uni.hideLoading();
}

var tryCloseLoading = function tryCloseLoading() {
  if (needLoadingRequestCount === 0) {
    endLoading();
  }
};

export function showFullScreenLoading() {
  if (needLoadingRequestCount === 0) {
    startLoading();
  }

  needLoadingRequestCount++;
}
export function tryHideFullScreenLoading() {
  if (needLoadingRequestCount <= 0) return;
  needLoadingRequestCount--;

  if (needLoadingRequestCount === 0) {
    tryCloseLoading();
  }
}