echarts修改

This commit is contained in:
978184212@qq.com 2025-12-08 18:24:48 +08:00
parent 171d257b5b
commit fdda6f0f6d
1 changed files with 165 additions and 156 deletions

View File

@ -150,7 +150,7 @@
resolt: [],
chartData: {},
opts: {
color: ["#1890FF", "#FF4242", "#19D58A", "#91CB74", "#FAC858", "#EE6666", "#73C0DE", "#3CA272",
color: ["#c3c3c3","#1890FF", "#FF4242", "#19D58A", "#91CB74", "#FAC858", "#EE6666", "#73C0DE", "#3CA272",
"#FC8452", "#9A60B4", "#ea7ccc"
],
padding: [0, 15, 10, 15],
@ -479,164 +479,173 @@
maskClick(e) {
this.rangetime = e;
},
// 处理图表数据
// 处理图表数据 - 修改getServerData方法
getServerData(val) {
const chartDataList = val.map(item => {
const series = [];
const chartDataList = val.map(item => {
const series = [];
// 处理主要数据
const mainData = (item.data.slice(0, 50) || Array(this.timeList?.length || 0).fill(0))
.map(value => Number(value) || 0);
// 处理主要数据
const mainData = (item.data.slice(0, 50) || Array(this.timeList?.length || 0).fill(0))
.map(value => Number(value) || 0);
const highValNum = item.highVal ? Number(item.highVal) || 0 : null;
const lowValNum = item.lowVal ? Number(item.lowVal) || 0 : null;
const highValNum = item.highVal ? Number(item.highVal) || 0 : null;
const lowValNum = item.lowVal ? Number(item.lowVal) || 0 : null;
// 正常数据线 - 实线
series.push({
name: item.itemName,
data: mainData,
color: "#1890FF",
lineType: "solid",
pointShape: "circle",
show: true
});
// 正常数据线 - 实线
series.push({
name: item.itemName,
data: mainData,
color: "#c3c3c3",
lineType: "solid",
pointShape: "circle",
show: true
});
// 最高阈值线 - 虚线
if (highValNum !== null) {
series.push({
name: `最高阈值: ${highValNum}`,
data: Array(this.timeList?.length || 0).fill(highValNum),
color: "#FF4242",
lineType: "dashed", // 虚线
pointShape: "none", // 不显示点
show: true,
});
}
// 最高阈值线 - 尝试不同方式设置虚线
if (highValNum !== null) {
series.push({
name: `最高阈值: ${highValNum}`,
data: Array(this.timeList?.length || 0).fill(highValNum),
color: "#FF4242",
// 尝试不同的虚线设置方式
lineType: "dash", // 或者尝试 "dashed", "dot", "dashdot"
dashLength: 10, // 设置虚线段的长度
gapLength: 5, // 设置间隔的长度
pointShape: "none",
show: true,
// 使用自定义样式
custom: {
lineDash: [10, 5] // 数组格式:[线段长度, 间隔长度]
}
});
}
// 最低阈值线 - 虚线
if (lowValNum !== null) {
series.push({
name: `最低阈值: ${lowValNum}`,
data: Array(this.timeList?.length || 0).fill(lowValNum),
color: "#19D58A",
lineType: "dashed", // 虚线
pointShape: "none", // 不显示点
show: true,
});
}
// 最低阈值线
if (lowValNum !== null) {
series.push({
name: `最低阈值: ${lowValNum}`,
data: Array(this.timeList?.length || 0).fill(lowValNum),
color: "#19D58A",
lineType: "dash",
dashLength: 10,
gapLength: 5,
pointShape: "none",
show: true,
custom: {
lineDash: [10, 5]
}
});
}
return {
categories: this.timeList.slice(0, 50) || [],
series: series,
chartOpts: this.getChartOpts(item.itemName, item.unit)
};
});
return {
categories: this.timeList.slice(0, 50) || [],
series: series,
chartOpts: this.getChartOpts(item.itemName, item.unit)
};
});
// 更新resolt数据
this.resolt = this.resolt.map((item, index) => {
return {
...item,
chartData: chartDataList[index] ? chartDataList[index].series : [],
categories: chartDataList[index] ? chartDataList[index].categories : [],
chartOpts: chartDataList[index] ? chartDataList[index].chartOpts : this.getChartOpts(item.itemName, item.unit)
};
});
console.log("处理后的趋势图数据", this.resolt);
this.resolt = this.resolt.map((item, index) => {
return {
...item,
chartData: chartDataList[index] ? chartDataList[index].series : [],
categories: chartDataList[index] ? chartDataList[index].categories : [],
chartOpts: chartDataList[index] ? chartDataList[index].chartOpts : this.getChartOpts(item.itemName, item.unit)
};
});
},
// 获取图表配置
// 修改getChartOpts方法,添加对虚线的支持
getChartOpts(itemName, unit) {
return {
color: ["#1890FF", "#FF4242", "#19D58A", "#91CB74", "#FAC858", "#EE6666", "#73C0DE", "#3CA272",
"#FC8452", "#9A60B4", "#ea7ccc"
],
padding: [0, 15, 10, 5],
legend: {
show: true,
position: "top",
float: "right",
itemGap: 10,
margin: 10,
},
enableScroll: false, // 禁用滚动,显示所有数据
dataLabel: false,
xAxis: {
disableGrid: true,
scrollShow: false, // 不显示滚动条
labelCount: 3, // 设置显示3个标签(对应我们要显示的3个点)
boundaryGap: 'justify',
// 自定义标签显示:显示第一个、中间和倒数第三个数据
labelFormatter: (val, i, allLabels) => {
if (!allLabels || allLabels.length === 0) {
return val;
}
return {
color: ["#c3c3c3", "#FF4242", "#19D58A", "#91CB74", "#FAC858", "#EE6666", "#73C0DE", "#3CA272",
"#FC8452", "#9A60B4", "#ea7ccc"
],
padding: [0, 15, 10, 5],
legend: {
show: true,
position: "top",
float: "right",
itemGap: 10,
margin: 10,
},
enableScroll: false,
dataLabel: false,
xAxis: {
disableGrid: true,
scrollShow: false,
labelCount: 3,
boundaryGap: 'justify',
labelFormatter: (val, i, allLabels) => {
if (!allLabels || allLabels.length === 0) return val;
const total = allLabels.length;
const total = allLabels.length;
if (i === 0 || i === Math.floor(total / 2) || i === total - 3) {
return val;
}
return '';
}
},
yAxis: {
gridType: "dash",
dashLength: 2,
showTitle: true,
data: [{
title: unit || '单位',
}],
},
extra: {
area: {
type: "curve",
opacity: 0.2,
addLine: true,
width: 2,
gradient: true,
activeType: "hollow"
},
tooltip: {
textStyle: {
fontSize: 12
},
format: (item, category, index, opts) => {
return `${category}\n${item.seriesName}: ${item.data}`
}
},
line: {
width: 2,
smooth: true,
// 为所有线条添加虚线配置
style: "dash", // 默认样式
dashLength: 8, // 虚线长度
gapLength: 4, // 间隔长度
lineCap: "round" // 线帽样式
},
// 添加自定义渲染回调
render: {
series: {
line: (canvas, config, series, index) => {
// 自定义线条渲染函数
const ctx = canvas.getContext('2d');
ctx.save();
// 1. 第一个标签
if (i === 0) {
return val;
}
// 根据系列索引判断是否为阈值线(索引1和2)
if (index === 1 || index === 2) {
// 设置虚线
ctx.setLineDash([10, 5]); // 10px线段,5px间隔
ctx.lineDashOffset = 0;
} else {
// 实线
ctx.setLineDash([]);
}
// 2. 中间标签
const middleIndex = Math.floor(total / 2);
if (total % 2 === 0 && i === middleIndex - 1) {
// 如果是偶数个,显示中间两个中的前一个
return val;
} else if (i === middleIndex) {
// 如果是奇数个,显示正中间
return val;
}
// 调用原始绘制逻辑
config.chart.option.extra.render.series.line.call(this, canvas, config, series, index);
// 3. 倒数第三个标签
// 确保有足够的数据点
if (total >= 3) {
const thirdLastIndex = total - 3;
if (i === thirdLastIndex) {
return val;
}
}
// 如果数据少于3个,显示最后一个
else if (i === total - 1) {
return val;
}
return ''; // 其他标签返回空字符串
}
},
yAxis: {
gridType: "dash",
dashLength: 2,
showTitle: true,
data: [{
title: unit || '单位',
}],
},
extra: {
area: {
type: "curve",
opacity: 0.2,
addLine: true,
width: 2,
gradient: true,
activeType: "hollow"
},
tooltip: {
textStyle: {
fontSize: 12
},
format: (item, category, index, opts) => {
return `${category}\n${item.seriesName}: ${item.data}`
}
},
markLine: {
},
line: {
width: 2,
smooth: true
}
}
};
ctx.restore();
}
}
}
}
};
},
// 自定义图例渲染(如果需要)