series处理
const stackInfo = {};for (let i = 0; i < series[0].data.length; ++i) {for (let j = 0; j < series.length; ++j) {const stackName = series[j].stack;if (!stackName) {continue;}if (!stackInfo[stackName]) {stackInfo[stackName] = {stackStart: [],stackEnd: [],};}const info = stackInfo[stackName];const data = series[j].data[i];if (data && data !== "-") {if (info.stackStart[i] == null) {info.stackStart[i] = j;}info.stackEnd[i] = j;}}}for (let i = 0; i < series.length; ++i) {const data = series[i].data;const info = stackInfo[series[i].stack];for (let j = 0; j < series[i].data.length; ++j) {const isEnd = info.stackEnd[j] === i;const topBorder = isEnd ? 20 : 0;const bottomBorder = 0;data[j] = {value: data[j],itemStyle: {barBorderRadius: [topBorder,topBorder,bottomBorder,bottomBorder,],},};}}
