六、数据集 Dataset
代码:
option = {
legend: {},
tooltip: {},
dataset: {
source: [
['product', '2015', '2016', '2017'],
['Matcha Latte', 43.3, 85.8, 93.7],
['Milk Tea', 83.1, 73.4, 55.1],
['Cheese Cocoa', 86.4, 65.2, 82.5],
['Walnut Brownie', 72.4, 53.9, 39.1]
]
},
xAxis: {type: 'category'},
yAxis: {},
// Declare several bar series, each will be mapped
// to a column of dataset.source by default.
series: [
{type: 'bar'},
{type: 'bar'},
{type: 'bar'}
]
};
代码:
option = {
legend: {},
tooltip: {},
dataset: {
dimensions: ['product', '2015', '2016', '2017'],
source: [
{product: 'Matcha Latte', '2015': 43.3, '2016': 85.8, '2017': 93.7},
{product: 'Milk Tea', '2015': 83.1, '2016': 73.4, '2017': 55.1},
{product: 'Cheese Cocoa', '2015': 86.4, '2016': 65.2, '2017': 82.5},
{product: 'Walnut Brownie', '2015': 72.4, '2016': 53.9, '2017': 39.1}
]
},
xAxis: {type: 'category'},
yAxis: {},
// Declare several bar series, each will be mapped
// to a column of dataset.source by default.
series: [
{type: 'bar'},
{type: 'bar'},
{type: 'bar'}
]
};
代码:
var option = {
legend: {},
tooltip: {},
dataset: {
source: [
['product', '2012', '2013', '2014', '2015', '2016', '2017'],
['Matcha Latte', 41.1, 30.4, 65.1, 53.3, 83.8, 98.7],
['Milk Tea', 86.5, 92.1, 85.7, 83.1, 73.4, 55.1],
['Cheese Cocoa', 24.1, 67.2, 79.5, 86.4, 65.2, 82.5],
['Walnut Brownie', 55.2, 67.1, 69.2, 72.4, 53.9, 39.1]
]
},
series: [{
type: 'pie',
radius: 60,
center: ['25%', '30%']
// No encode specified, by default, it is '2012'.
}, {
type: 'pie',
radius: 60,
center: ['75%', '30%'],
encode: {
itemName: 'product',
value: '2013'
}
}, {
type: 'pie',
radius: 60,
center: ['25%', '75%'],
encode: {
itemName: 'product',
value: '2014'
}
}, {
type: 'pie',
radius: 60,
center: ['75%', '75%'],
encode: {
itemName: 'product',
value: '2015'
}
}]
};
代码:
option = {
dataset: {
source: [
['score', 'amount', 'product'],
[89.3, 58212, 'Matcha Latte'],
[57.1, 78254, 'Milk Tea'],
[74.4, 41032, 'Cheese Cocoa'],
[50.1, 12755, 'Cheese Brownie'],
[89.7, 20145, 'Matcha Cocoa'],
[68.1, 79146, 'Tea'],
[19.6, 91852, 'Orange Juice'],
[10.6, 101852, 'Lemon Juice'],
[32.7, 20112, 'Walnut Brownie']
]
},
grid: {containLabel: true},
xAxis: {name: 'amount'},
yAxis: {type: 'category'},
visualMap: {
orient: 'horizontal',
left: 'center',
min: 10,
max: 100,
text: ['High Score', 'Low Score'],
// Map the score column to color
dimension: 0,
inRange: {
color: ['#D7DA8B', '#E15457']
}
},
series: [
{
type: 'bar',
encode: {
// Map the "amount" column to X axis.
x: 'amount',
// Map the "product" column to Y axis
y: 'product'
}
}
]
};
代码:
option = {
legend: {},
tooltip: {},
dataset: {
source: [
['product', '2012', '2013', '2014', '2015'],
['Matcha Latte', 41.1, 30.4, 65.1, 53.3],
['Milk Tea', 86.5, 92.1, 85.7, 83.1],
['Cheese Cocoa', 24.1, 67.2, 79.5, 86.4]
]
},
xAxis: [
{type: 'category', gridIndex: 0},
{type: 'category', gridIndex: 1}
],
yAxis: [
{gridIndex: 0},
{gridIndex: 1}
],
grid: [
{bottom: '55%'},
{top: '55%'}
],
series: [
// These series are in the first grid.
{type: 'bar', seriesLayoutBy: 'row'},
{type: 'bar', seriesLayoutBy: 'row'},
{type: 'bar', seriesLayoutBy: 'row'},
// These series are in the second grid.
{type: 'bar', xAxisIndex: 1, yAxisIndex: 1},
{type: 'bar', xAxisIndex: 1, yAxisIndex: 1},
{type: 'bar', xAxisIndex: 1, yAxisIndex: 1},
{type: 'bar', xAxisIndex: 1, yAxisIndex: 1}
]
};
代码:
setTimeout(function () {
option = {
legend: {},
tooltip: {
trigger: 'axis',
showContent: false
},
dataset: {
source: [
['product', '2012', '2013', '2014', '2015', '2016', '2017'],
['Matcha Latte', 41.1, 30.4, 65.1, 53.3, 83.8, 98.7],
['Milk Tea', 86.5, 92.1, 85.7, 83.1, 73.4, 55.1],
['Cheese Cocoa', 24.1, 67.2, 79.5, 86.4, 65.2, 82.5],
['Walnut Brownie', 55.2, 67.1, 69.2, 72.4, 53.9, 39.1]
]
},
xAxis: {type: 'category'},
yAxis: {gridIndex: 0},
grid: {top: '55%'},
series: [
{type: 'line', smooth: true, seriesLayoutBy: 'row'},
{type: 'line', smooth: true, seriesLayoutBy: 'row'},
{type: 'line', smooth: true, seriesLayoutBy: 'row'},
{type: 'line', smooth: true, seriesLayoutBy: 'row'},
{
type: 'pie',
id: 'pie',
radius: '30%',
center: ['50%', '25%'],
label: {
formatter: '{b}: {@2012} ({d}%)'
},
encode: {
itemName: 'product',
value: '2012',
tooltip: '2012'
}
}
]
};
myChart.on('updateAxisPointer', function (event) {
var xAxisInfo = event.axesInfo[0];
if (xAxisInfo) {
var dimension = xAxisInfo.value + 1;
myChart.setOption({
series: {
id: 'pie',
label: {
formatter: '{b}: {@[' + dimension + ']} ({d}%)'
},
encode: {
value: dimension,
tooltip: dimension
}
}
});
}
});
myChart.setOption(option);
});