1、问题背景

     设计一条折线图，但是图形中不用插件自带的颜色，需要自定义线条和折点的颜色


2、实现源码

（1）图形自分配颜色

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>echarts-设置折线图中折线线条颜色和折线点颜色</title>
		<link rel="shortcut icon" href="../js/echarts-2.2.7/doc/asset/ico/favicon.png">
		<script type="text/javascript" src="../js/echarts-2.2.7/doc/asset/js/jquery.min.js" ></script>
		<script type="text/javascript" src="../js/echarts-2.2.7/doc/example/www2/js/echarts-all.js" ></script>
		<style>
			body,html{
				width: 99%;
				height: 99%;
				font-family: "微软雅黑";
				font-size: 12px;
			}
			#line{
				width: 100%;
				height: 100%;
			}
		</style>
		<script>
			$(function(){
				var chart = document.getElementById('line');  
                var echart = echarts.init(chart); 
                
                var option = {
				    title: {
				        text: ''
				    },
				    tooltip: {
				        trigger: 'axis'
				    },
				    legend: {
				        data:['销售量']
				    },
				    grid: {
				        left: '3%',
				        right: '4%',
				        bottom: '3%',
				        containLabel: true
				    },
				    toolbox: {
				        feature: {
				            saveAsImage: {}
				        }
				    },
				    xAxis: {
				        type: 'category',
				        boundaryGap: false,
				        data: ['周一','周二','周三','周四','周五','周六','周日']
				    },
				    yAxis: {
				        type: 'value'
				    },
				    series: [
				        {
				            name:'销售量',
				            type:'line',
				            stack: '销售量',
				            data:[220, 132, 601, 314, 890, 230, 510]
				        }
				    ]
				};
                  
                echart.setOption(option);  
			});
		</script>
	</head>
	<body>
		<div id="line"></div>
	</body>
</html>

（2）线条自定义颜色

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>echarts-设置折线图中折线线条颜色和折线点颜色</title>
		<link rel="shortcut icon" href="../js/echarts-2.2.7/doc/asset/ico/favicon.png">
		<script type="text/javascript" src="../js/echarts-2.2.7/doc/asset/js/jquery.min.js" ></script>
		<script type="text/javascript" src="../js/echarts-2.2.7/doc/example/www2/js/echarts-all.js" ></script>
		<style>
			body,html{
				width: 99%;
				height: 99%;
				font-family: "微软雅黑";
				font-size: 12px;
			}
			#line{
				width: 100%;
				height: 100%;
			}
		</style>
		<script>
			$(function(){
				var chart = document.getElementById('line');  
                var echart = echarts.init(chart); 
                
                var option = {
				    title: {
				        text: ''
				    },
				    tooltip: {
				        trigger: 'axis'
				    },
				    legend: {
				        data:['销售量']
				    },
				    grid: {
				        left: '3%',
				        right: '4%',
				        bottom: '3%',
				        containLabel: true
				    },
				    toolbox: {
				        feature: {
				            saveAsImage: {}
				        }
				    },
				    xAxis: {
				        type: 'category',
				        boundaryGap: false,
				        data: ['周一','周二','周三','周四','周五','周六','周日']
				    },
				    yAxis: {
				        type: 'value'
				    },
				    series: [
				        {
				            name:'销售量',
				            type:'line',
				            stack: '销售量',
				            itemStyle : {
								normal : {
									lineStyle:{
										color:'#00FF00'
									}
								}
							},
				            data:[220, 132, 601, 314, 890, 230, 510]
				        }
				    ]
				};
                  
                echart.setOption(option);  
			});
		</script>
	</head>
	<body>
		<div id="line"></div>
	</body>
</html>

（3）折点自定义颜色

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>echarts-设置折线图中折线线条颜色和折线点颜色</title>
		<link rel="shortcut icon" href="../js/echarts-2.2.7/doc/asset/ico/favicon.png">
		<script type="text/javascript" src="../js/echarts-2.2.7/doc/asset/js/jquery.min.js" ></script>
		<script type="text/javascript" src="../js/echarts-2.2.7/doc/example/www2/js/echarts-all.js" ></script>
		<style>
			body,html{
				width: 99%;
				height: 99%;
				font-family: "微软雅黑";
				font-size: 12px;
			}
			#line{
				width: 100%;
				height: 100%;
			}
		</style>
		<script>
			$(function(){
				var chart = document.getElementById('line');  
                var echart = echarts.init(chart); 
                
                var option = {
				    title: {
				        text: ''
				    },
				    tooltip: {
				        trigger: 'axis'
				    },
				    legend: {
				        data:['销售量']
				    },
				    grid: {
				        left: '3%',
				        right: '4%',
				        bottom: '3%',
				        containLabel: true
				    },
				    toolbox: {
				        feature: {
				            saveAsImage: {}
				        }
				    },
				    xAxis: {
				        type: 'category',
				        boundaryGap: false,
				        data: ['周一','周二','周三','周四','周五','周六','周日']
				    },
				    yAxis: {
				        type: 'value'
				    },
				    series: [
				        {
				            name:'销售量',
				            type:'line',
				            stack: '销售量',
				            itemStyle : {
								normal : {
									color:'#00FF00',
									lineStyle:{
										color:'#00FF00'
									}
								}
							},
				            data:[220, 132, 601, 314, 890, 230, 510]
				        }
				    ]
				};
                  
                echart.setOption(option);  
			});
		</script>
	</head>
	<body>
		<div id="line"></div>
	</body>
</html>

3、实现结果

（1）图形自分配颜色

echarts-设置折线图中折线线条颜色和折线点颜色_html

（2）线条自定义颜色

echarts-设置折线图中折线线条颜色和折线点颜色_ico_02

（3）折点自定义颜色

echarts-设置折线图中折线线条颜色和折线点颜色_html_03

4、问题说明

（1）设置折线线条颜色
        lineStyle:{
                 color:'#00FF00'
         }


（2）设置折线折点颜色

       itemStyle : {
                                normal : {
                                    color:'#00FF00'
                                }
                            }