first commit

js/DiJson.js

@@ -0,0 +1,72 @@
+
+function callServer(filePath)
+	{
+	let tmp=[]
+				$.ajax({
+					type:'get',
+					url: 'http://127.0.0.1:3000/api/'+filePath,
+					async:false,
+					success: function(data){
+						tmp = data;
+						}
+			})
+	return tmp;
+
+	}
+	
+	
+
+function dijson(filePath){
+	let tmp = callServer(filePath)
+	var length = tmp.length
+	var jslength = 0;
+	var keyname = [];  //记录键名
+	for (var i = 0; i < 1; i++) {
+		var per = tmp[i];
+		for(var key in per){
+			keyname.push(key)
+			jslength++
+			}
+		}
+	//console.log(jslength)
+	//console.log(length)
+	let arr = new Array()
+	for(var k = 0;k<jslength;k++){
+		arr[k] = new Array();
+	}
+	for (var i = 0; i < tmp.length; i++) {
+		var per = tmp[i];
+		for(var key in per){
+			let target = keyname.indexOf(key)
+			arr[target].push(per[key])		
+			}
+			
+	}
+	//console.log(arr[0])
+	return arr
+	
+	
+}
+//按照给定的divKey来分离数据。 比如给定一个divKey为‘2019’ 其中数据为‘2019年1-12月’
+//提取所有2019年，然后再细分提取出1-12月作为arr[0] 依旧是二维数组 json有几个键就有几行。
+function diverseForMonth(divKey,filePath){
+	let arr = dijson(filePath)
+	let DivArr = new Array()
+	var jslength = arr.length
+	for(var k = 0;k<jslength;k++){
+		DivArr[k] = new Array();
+	}
+	var length = arr[0].length
+	for(var i = 0;i<length;i++){
+		const str = arr[0][i]
+		const reg = RegExp(divKey);
+
+		if(reg.test(str)){
+			
+			for(var j = 0;j<jslength;j++){
+					DivArr[j].push(arr[j][i])
+			}
+		}
+	}
+	return DivArr
+}