js模拟form表单提交

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var items = this.searchForm.getForm().items.items;        var dataParam = this.getDailyDataParam(items);        var tempform = document.createElement("form");        tempform.action = this.ctx + '/addata/exportAdMasterDaily.sdo';        tempform.method = "post";        tempform .target = "_blank";        tempform.style.display = "none"        for (var x in dataParam) {            if(dataParam[x] instanceof Array && dataParam[x].length >1){            for (var int = 0; int < dataParam[x].length; int++) {            var opt = document.createElement("input");                    opt.name = x;            opt.value = dataParam[x][int];            tempform.appendChild(opt);}            }else{            var opt = document.createElement("input");                opt.name = x;            opt.value = dataParam[x];            tempform.appendChild(opt);            }        }        var opt = document.createElement("input");        opt.type = "submit";        tempform.appendChild(opt);        document.body.appendChild(tempform);        tempform.submit();        document.body.removeChild(tempform);

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