修改页面，完成单页模式新增首页返回上一页按钮

dist/utils/FormUtil.js

@@ -0,0 +1 @@
+(function(u,i){if(typeof module=="object"&&module.exports){module.exports=i();return}u.FormUtil=i()})(typeof globalThis!="undefined"?globalThis:window,function(){"use strict";function u(e){if(e!=null){var n=String(e).trim();return n||void 0}}function i(e){var n=u(e);if(n!==void 0){var r=Number(n);return Number.isNaN(r)?void 0:r}}function d(e){if(e===!0||e===!1)return e;var n=u(e);return n===void 0?!1:!["0","false","off","no"].includes(n.toLowerCase())}function f(e){if(!(!e||e.disabled||!e.name))return e.type==="checkbox"?e.checked?e.value||"on":void 0:e.type==="radio"?e.checked?e.value:void 0:e.value}function a(e){var n={};return!e||!e.elements||Array.prototype.forEach.call(e.elements,function(r){var t=f(r);t!==void 0&&(n[r.name]=t)}),n}return{trimOrUndefined:u,toNumberOrUndefined:i,toBoolean:d,getFormValues:a}});