JavaScript之数据改造后端只返回有数据的时段，没数据的时段需要前端自己补全isArraythrowforEachhasOwnPropertycallfor inpush

Posted 2022-06-09 web半晨

function handleApacheECharts(existenceData) 
	if (!Array.isArray(existenceData)) throw new Error('not an array.');
	if (!existenceData[0].time) throw new Error('data error.');
	
	let obj = 
		1:  time: "08:00-09:00", value: 0, ,
		2:  time: "09:00-10:00", value: 0, ,
		3:  time: "10:00-11:00", value: 0, ,
		4:  time: "11:00-12:00", value: 0, ,
		5:  time: "12:00-13:00", value: 0, ,
		6:  time: "13:00-14:00", value: 0, ,
		7:  time: "14:00-15:00", value: 0, ,
		8:  time: "15:00-16:00", value: 0, ,
		9:  time: "16:00-17:00", value: 0, ,
	,
		arr = 
			time: [],
			value: []
		;
	
	existenceData.forEach(item => 
		for (const key in item) 
			if (Object.hasOwnProperty.call(item, key)) 
				if (key === 'time') obj[item[key] - 7].value = item.value;
			
		
	);
	
	for (const j in obj) 
		if (Object.hasOwnProperty.call(obj, j)) 
			let item = obj[j];
			for (const key in item) 
				if (Object.hasOwnProperty.call(item, key)) 
					if (key === "time") 
						arr.time.push(item[key]);
					 else if (key === "value") 
						arr.value.push(item[key]);
					
				
			
		
	
	
	return arr;


console.log(handleApacheECharts([ time: '10', value: 30 ,  time: '16', value: 10 ,  time: '16', value: 70 ]));
console.log(handleApacheECharts());
console.log(handleApacheECharts(''));
console.log(handleApacheECharts(1));
console.log(handleApacheECharts());
console.log(handleApacheECharts([1, 2]));