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Wiki源代码5.8.2.2 Line Chart

由用户 maym 在 2025/02/27 05:47 保存的版本 16.11
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maym 16.4 1 ==== **[Usage Scenario]** ====
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maym 16.4 3 A line chart is a commonly used type of chart to display changes over time. It connects data points with lines to show the trend of variables, and is suitable for the following scenarios:
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maym 16.4 6 **Time trend analysis:**  Line charts are suitable for displaying time series data, such as daily, monthly, or quarterly sales, user visits, or inventory changes, to help users identify long-term trends.
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maym 16.5 9 **Seasonal changes: ** By observing the fluctuations of the line, it is possible to analyze the periodic changes in the data. For example, seasonal fluctuations in sales revenue, changes in user activity during different time periods, etc.
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maym 16.5 12 **Comparison trend: ** Multiple lines can be used to compare the changes in multiple variables. For example, comparing sales trends of different products, or comparing user growth trends in different markets.
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maym 16.5 15 **Abnormal discovery: ** The prominent peaks or valleys in a line chart help identify abnormal situations in the data, such as an abnormal increase in sales or a sudden decrease in user churn in a certain month.
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yinshi 13.1 18 ==== ====
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maym 16.6 20 ==== **[Function Introduction]** ====
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maym 16.6 22 A line chart is used to display the changes in data over a continuous time interval or span, and its characteristic is to reflect the trend of things changing over time or ordered categories.
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maym 16.8 24 [[image:1740626962720-557.png]]
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maym 16.9 26 The composition of a line chart includes:
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maym 16.11 28 1. **Horizontal axis (X-axis):**线图中的横轴是水平方向上的轴线，通常用于展示数据的分类或者时间等连续性变量。
29 1. **纵轴 (Y 轴)：** 折线图中的纵轴是垂直方向上的轴线，通常用于展示数据的数值或者数量。
30 1. **点：** 每个点代表了横轴和纵轴上特定位置的数据值，在折线图中，连接所有点的折线可以展现数据的趋势和变化。
31 1. **线：** 折线图中的线是由连接数据点而成的直线，代表了数据的变化趋势，通过线的走势可以直观地展现数据的增长、减少或者波动情况。
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maym 16.11 33 (((
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yinshi 1.1 38 )))
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yinshi 3.1 40 ====== 【基本要求】 ======
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42 要实现折线图的效果，基本要求如下 。
43
44
45 |横轴|纵轴|分组|参考线
yinshi 4.1 46 |最多1个字段|可选多个字段，最多30个字段|最多1个字段|可选多个字段，最多30个字段
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yinshi 3.1 48 ====== ======
yinshi 1.1 49
yinshi 12.1 50 ==== **【配置步骤】** ====
yinshi 3.1 51
yinshi 1.1 52 **Step-1 选择图形**
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54 创建报表，选择折线图，如图：
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maym 16.1 56 [[image:1737529051357-629.png]]
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59 **Step-2 选择图表展示字段**
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yinshi 5.1 61 将右边数据源列表中的字段拖动放到【横轴】、【纵轴】、【分组】、【参考线】上
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maym 16.1 63 [[image:1737528997085-860.png]]
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65
66 Step-3 样式设置
67
68 分为三小类：【基础】、【坐标轴】，【图例】，如下图
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yinshi 5.1 70 [[image:1729663961688-819.png]]
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yinshi 12.1 74 ==== **【样式配置说明】** ====
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yinshi 8.1 76 |(% colspan="1" rowspan="1" style="width:52px" %)(((
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yinshi 8.1 78 )))|(% colspan="1" rowspan="1" style="width:76.9844px" %)(((
yinshi 6.1 79 样式设置分类
yinshi 9.1 80 )))|(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 81 配置项
yinshi 9.1 82 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
yinshi 6.1 83 用途
84 )))
yinshi 10.1 85 |(% colspan="1" rowspan="21" style="width:52px" %)(((
yinshi 6.1 86 **折线图**
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yinshi 8.1 89 )))|(% colspan="1" rowspan="12" style="width:76.9844px" %)(((
yinshi 6.1 90 基础
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yinshi 9.1 93 )))|(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 94 显示标题
yinshi 9.1 95 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
yinshi 8.1 96 (((
yinshi 7.1 97 控制画布左上角的标题是否显示的开关
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yinshi 9.1 99 [[image:1729664204675-778.png||height="214" width="731"]]
yinshi 6.1 100 )))
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102 (((
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yinshi 9.1 106 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 107 标题名称
yinshi 9.1 108 )))|(% colspan="1" rowspan="1" style="width:1272px" %)支持用户自定义报表标题
109 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 110 帮助文字
yinshi 9.1 111 )))|(% colspan="1" rowspan="1" style="width:1272px" %)开启后，标题右侧出现小问号，鼠标悬浮时，出现帮助文字具体内容
yinshi 7.1 112 [[image:1729664436892-701.png]]
yinshi 9.1 113 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 114 帮助文字内容
yinshi 9.1 115 )))|(% colspan="1" rowspan="1" style="width:1272px" %)支持用户自定义帮助文字的文案，例如“这是本月销售订单总额的统计”
116 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 117 折线图类型
yinshi 9.1 118 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
yinshi 7.1 119 (((
120 支持2种类型：折线、曲线
yinshi 9.1 121 [[image:1729664469432-978.png||height="398" width="875"]]
yinshi 6.1 122 )))
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124 (((
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127 )))
yinshi 9.1 128 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 7.1 129 配色方案
yinshi 9.1 130 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
yinshi 7.1 131 支持用户自定义（多Y轴时）整体的配色方案
yinshi 6.1 132 )))
yinshi 9.1 133 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 7.1 134 显示缩略轴
yinshi 9.1 135 )))|(% colspan="1" rowspan="1" style="width:1272px" %)支持用户设置针对横轴的缩略轴，即：查看横轴上某一区间的数据
yinshi 7.1 136 [[image:1729664570038-223.png||height="477" width="822"]]
yinshi 9.1 137 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 138 展示点
yinshi 9.1 139 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
140 (((
yinshi 6.1 141 默认打开，关闭后画布上不显示折线的每个描点
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yinshi 9.1 144 [[image:1729736532720-382.png||height="441" width="866"]]
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151 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 152 点大小
yinshi 9.1 153 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
yinshi 7.1 154 控制折线图中点大小
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yinshi 9.1 156 [[image:1729664677195-525.png||height="515" width="857"]]
yinshi 6.1 157 )))
yinshi 9.1 158 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 159 展示线
yinshi 9.1 160 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
yinshi 7.1 161 默认打开，关闭后折线的线段消失，只显示点（类似散点图）
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yinshi 9.1 163 [[image:1729664725301-778.png||height="403" width="937"]]
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yinshi 9.1 167 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 168 线粗细
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yinshi 9.1 171 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
yinshi 7.1 172 支持用户控制折线的线段粗细
yinshi 6.1 173 )))
yinshi 9.1 174 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 175 填充
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yinshi 9.1 178 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
yinshi 6.1 179 默认关闭， 打开后每个点向下填充半透明的颜色到X轴，效果如下：
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yinshi 7.1 181 [[image:1729664811246-731.png||height="276" width="683"]]
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yinshi 9.1 185 |(% colspan="1" rowspan="5" style="width:76.9844px" %)(((
yinshi 7.1 186 横轴
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yinshi 9.1 189 )))|(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 190 显示轴标题
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yinshi 9.1 193 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
194 开启后，画布中横轴下方，将显示用户配置的横轴的数据源的标题
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maym 16.1 196 [[image:1737529012159-610.png]]
yinshi 6.1 197 )))
yinshi 9.1 198 |(% colspan="1" rowspan="1" style="width:94px" %)(((
199 轴标题名称
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yinshi 9.1 202 )))|(% colspan="1" rowspan="1" style="width:1272px" %)支持用户自定义想要的轴标题名称文案
203 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 204 颜色字号
yinshi 9.1 205 )))|(% colspan="1" rowspan="1" style="width:1272px" %)支持用户自定义轴标题的颜色和字号
206 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 207 轴标签
yinshi 9.1 208 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
209 控制是否显示轴标签的开关，如下图：
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211 [[image:1729737350555-287.png||height="438" width="900"]]
yinshi 6.1 212 )))
yinshi 9.1 213 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 214 （轴标签）自动旋转
yinshi 9.1 215 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
216 轴标签会斜45°显示，如下图
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218 [[image:1729737429518-371.png]]
yinshi 6.1 219 )))
yinshi 10.1 220 |(% colspan="1" rowspan="4" style="width:76.9844px" %)(((
yinshi 7.1 221 纵轴
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yinshi 9.1 224 )))|(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 225 显示轴标题
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yinshi 9.1 228 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
yinshi 10.1 229 开启后，画布中纵轴左侧，将显示用户配置的纵轴的（第一个数据源）的标题
yinshi 6.1 230
yinshi 10.1 231 （图中：“Y轴标题”是轴标题， “桌子、椅子、窗帘”是图例）
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233 [[image:1729737694678-922.png]]
yinshi 6.1 234 )))
yinshi 9.1 235 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 236 标题内容
yinshi 10.1 237 )))|(% colspan="1" rowspan="1" style="width:1272px" %)支持用户自定义想要的轴标题名称文案
yinshi 9.1 238 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 239 轴标签
yinshi 9.1 240 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
yinshi 10.1 241 控制Y轴轴标签是否显示的开关
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243 [[image:1729737826799-987.png||height="434" width="369"]]
yinshi 6.1 244 )))
yinshi 9.1 245 |(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 246 刻度数
yinshi 10.1 247 )))|(% colspan="1" rowspan="1" style="width:1272px" %)支持用户配置的Y轴的刻度数（注意：这里的刻度数是一个预估值，报表引擎在渲染时可能会根据实际情况改变最终呈现的刻度数）
yinshi 8.1 248 |(% colspan="1" rowspan="1" style="width:52px" %)(((
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yinshi 8.1 250 )))|(% colspan="1" rowspan="3" style="width:76.9844px" %)(((
yinshi 6.1 251 图例
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yinshi 9.1 254 )))|(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 255 显示图例
yinshi 9.1 256 )))|(% colspan="1" rowspan="1" style="width:1272px" %)(((
yinshi 10.1 257 默认开启， 关闭后则不显示图例
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259 [[image:1729737941885-204.png||height="506" width="842"]]
yinshi 6.1 260 )))
yinshi 8.1 261 |(% colspan="1" rowspan="1" style="width:52px" %)(((
yinshi 6.1 262
yinshi 9.1 263 )))|(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 264 图例位置
yinshi 10.1 265 )))|(% colspan="1" rowspan="1" style="width:1272px" %)图例默认出现在画布的左上角，同时支持用户设置图例在画布中的位置
yinshi 8.1 266 |(% colspan="1" rowspan="1" style="width:52px" %)(((
yinshi 6.1 267
yinshi 9.1 268 )))|(% colspan="1" rowspan="1" style="width:94px" %)(((
yinshi 6.1 269 颜色字号
yinshi 14.1 270 )))|(% colspan="1" rowspan="1" style="width:1272px" %)支持用户根据需要自行调整图例的文字颜色和字体大小