Echarts 支持自定义toolbox feature title选项来更改字符
toolbox.feature.saveAsImage
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例如:
option = {
toolbox: {
show: true,
feature: {
saveAsImage: {
title: 'save As Image'
},
restore: {
title: 'restore'
}
}
},
...
title: {},
xAxis: [],
..
}
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顺便说一句,这不是日文字符,是中文字符。
“??????” 意思是“另存为图像”