Ext4.2 gird 批量删除，最后一页全删了查询上一页

旧城等待， 2022-04-12 08:22 182阅读 0赞

//查询
    function getPageList(pageIndex){
    	if(typeof(pageIndex) == "undefined"){
    		pageIndex = 1;
    	}
    	//stoOrganization.currentPage=1; //解决查询后分页栏(pagingtoolbar)显示的不是第一页的问题
    	stoOrganization.pageSize = pagesize_combo.getValue();
    	//stoOrganization.load({params: { start: 0, limit: pagesize_combo.getValue() }});
    	stoOrganization.loadPage(pageIndex,{params: { start: (pageIndex-1)*stoOrganization.pageSize, limit: pagesize_combo.getValue()}});
    }

//删除
    function remove(){
    	gridRemove(gridOrganization,stoOrganization,'id','remove.json','POST',function(response, opts, pageIndex){
    		refreshNode(treOrganization, false, currentNodeId, parentNodeId);
    		getPageList(pageIndex);
    		gridOrganization.getSelectionModel().deselectAll();
    	});
    }

/**
     * 返回grid表格复选框选中的ids
     * @param records	选中的记录
     * @param id		id列的名字
     * @returns			1,2,3
     */
    function getIds(records,id){
    	var ids = [];
    	for (var i = 0; i < records.length; i++) {
    		ids.push(records[i].get(id));
    	}
    	return ids.toString();
    }

/**
     * 删除
     * @param grid		grid对象
     * @param store		sotre对象
     * @param id		id列的名字
     * @param url		删除请求url
     * @param method	提交方式GET/POST
     */
    function gridRemove(grid,store,id,url,method,callback){
    
    	//var pageCount = grid.getDockedItems('toolbar[dock="bottom"]')[0].getPageData().pageCount;
    
    	var isLastPage = false;	//是否是最后一页
        if(!(store.last()) || store.indexOfTotal(store.last()) == store.getTotalCount()-1){
        	isLastPage = true;
        }
    
    	var records = grid.getSelectionModel().getSelection();
    	if(records.length == 0){
    		Ext.Msg.alert("提示", "请先选择数据行！");
    		return;
    	}
    	
    	var ids = getIds(records, id);
    	
        Ext.Msg.confirm("警告", "确定要删除吗？", function (button) {
            if (button == "yes") {
                Ext.Ajax.request({
            	    url: url,
            	    method: method,
            	    params: {
            	        ids: ids
            	    },
            	    success: function(response, opts) {
            	        var json = Ext.decode(response.responseText);
            	        if(json.status == "success"){
            	        	//store.reload();
            	        	Ext.Msg.alert('提示', "删除成功！");
            	        	
            	        	//是最后一页，并且全删了，查询上一页的
            	        	if(isLastPage && store.getCount() == records.length){
            	        		if(store.currentPage > 1){
            	        			store.currentPage = store.currentPage - 1;
            	        		}
            	        	}
            	        	
            	        	if(typeof(callback) == 'function'){
            	        		callback(response, opts, store.currentPage);
            	        	} else {
            	        		store.reload();
            	        	}
            	        } else {
            	        	Ext.Msg.alert('提示', json.msg);
            	        }
            	        
            	    },
            	    failure: function(response, opts) {
            	    	Ext.Msg.alert('提示', '数据删除失败！'); //response.status
            	    }
                });
            }
        });
    }