很简单啊,就是自己循环处理一下 `el-table-item` 就好了。  cellValue || '--'" /> cellValue || '--'" /> const tableData = [ { date: "2022-05-31", cityList:[ { city: "1",cityName:"北京",address:"xxx"}, { city: "2",cityName:"上海",address:"xxx"}, { city: "3",cityName:"苏州",address:"xxx"}, ] }, { date: "2022-06-01", cityList:[ { city: "1",cityName:"北京",address:"xxx"}, { city: "2",cityName:"上海",address:"xxx"}, { city: "3",cityName:"苏州",address:"xxx"}, ] }, { date: "2022-06-02", cityList:[ { city: "1",cityName:"北京",address:"xxx"}, { city: "2",cityName:"上海",address:"xxx"} ] }, ] const countAddrInfo = tableData.reduce((total, current) => Math.max(total, current.cityList.length), 0) [Element Plus Playground](https://link.segmentfault.com/?enc=uSwauIcZBg4FMvqG6223kA%3D%3D.4eLQMKFjgCHq9mqYwxOpJFlTFAnTCT1a8vKbQeN%2B6v33DuwBqTUR8aiMjfpWILsf8WmTBUh3hVzDrSIXTt%2BvGraw6zIXZTek3gDizVARtQhy1Ev7CuMgFH0rrVVMwYqQ6IUB7ybhSyoCoXRZgLeNZHFho3Zlw3fGAc53jFDNt0ME%2Fi7bwY8NHqT2yY2SZtaHYcNkCKVii58HXbOK4BgqEg4vgwSdktSoM5hj10hCsmiS0MQWYw%2FZb3qk1GAmjgZkDnKZeY58iCapa%2Bgg9XVtRqBqNtnFv8JhYIbj0foT2rZfbHkWnf5U96yD3e32DFkjMseLLF3y2Qk8EwpNiyPGE4XGwqUHwTbfY69%2BuPIRMEhXojeMfiGIGcxZpnomfjtRwFURJxYDvSQGyolcd1buPaYTyod9Jobd7GZ7%2FTgY90Ql68rM7QUHAEN7ccFAyRZcs%2BTOvRYr8Vm3fZnFfZGvIzOa%2BjbxeQFaQ5BeTj%2BiZdV%2BrwRs2Ystrcya6uW80GU5flGZ8zngT9IyafZgq3qt8vVxxFkYFK2bLklCpOnP9hL%2F%2BhP1s2ObbZdMdCKr1OJiyhcdN%2BdeK%2FiHDc3p2whAx0n94e60%2FsUW1zLsFhHgS7STbKIyzCybDTYYWt%2B5UuZlXl26kEE1ElzL2qEFY9Ih4xMicIYsEIdWUDCBK4xeLOOc6qGQRA58kXvDcm9CsCs%2FmAG6CiBKLho9riGkrZHtQqlbRtjyYOpMYYe3SsOg64epq7kRobsMrnKgmuafCgrJyBVrRL2FjEzztBCnbmdbXikaQFS6G0Uyf7zq6mfvQMzo7jiB4ivhZM%2FASnJKsFXnbmVZXLtAml3g6cxdXxDbkaULkfnvz9z641cU6VJrZh4qMvuc7H%2Fth5BM4rKBE1VQVarO4esH5yesUxUqxbEixJGGmg9UmuQ6zNSER7IvDlXUOaXk33qaCINCVRarrst3OhLlzZHCHvZEPmMpWC2AgbvfBeXWOBWh%2FgvfNvMwRt1A%2FIqyV9jP81W%2FhOhoRfNd8qsb2Hg1vsvQGKhp5aMPXFaMaHCAfJ2VwZU18KhrgX9ZIWaumqdq4vJMWreXdYfH9xMjfIozCJJcDD2cz8IukYEW2vsXYW%2F7AmEJx6PjkLJ6iO7LnRjb2vJOCIwYQ21Acd%2BED08EoD9R1iRTV%2BFmdQNiGmICeNxsSaiglWxYcwg%2Blpl3kMKN128j3xciERA7q2y3o3YhUToaBhGdczi2O%2BksUevKoKPnjCsJVRrksF9ggqyrtBl4ohghPaKH8%2BdgZjGvypCzI9ysZ9RT8yKNK7Dno%2BPOiOuFH%2B3Yw548YJ7e5yQGQJOgHbcAjnzv%2FEu1bJ%2FmZ7H%2B7I%2FWmKzaP6WC8snhRpxDC4HzoTqLa3wTDH06SJUHwuMEmgp5idBswFLE1oXBHDjgHdNCBnXFU8GvnDGNSRmXDPAiVielca12n%2BgmjLIxJz4J6OddVu0dpQhnmszzNV%2BXDvBg9tq3G4RNoYigqLHz7tzdPBUR%2FJxM4Q%2BgMhkBZa6A2YmIE6zZOhvCijkXv8VkDKhK7L6fazRyBcVXbyzUeXzYk%2Bhu3Udgn5ib%2FUsAhWb00QRq1H%2B%2BlhXbgLM8dEtEjQLCPBuMMQGlDGRAQ03db40EHlgRGnDcTI9%2BHA76glpK9%2B%2BHUhSaVdRK74I74nWkGZlJtl8i77hmyuYNvOgkAzZRYGkB%2FZxV9lphazCrv2JAqylzo8m%2FiS%2BiNjxMKemP3gmg4mYUhPK8KOn4s6ZupqWRK2oJGUewTtIqaDcxJA6zWXXQykzc5JAqVWRFHmtNsRpp8bBHj5PLW6zjlM4UI5laklXKCjUnxVQhZqmuHdNDvEStsCIk0XJzpX8ULbp7%2F9SOnDeF6W5yjiGbsMFfDPV6%2FOV8SsCB9V%2BdlrSla29coUFH0EAfD9uL44ogy82WkwG3fZ9LjVNEMdsb%2FgmOEWPmGdr5Ipxc5Ubo2X6RTcvEthGFkeiE3b%2FDygp69Q1mCL%2FyAzOyvxLWQI%2FANijhGqU%2BpT19AK9Hf%2FKKV%2FiTnwZX3IJvDXKZKufGIZO0llAMMGXArnfGJRUsSttO259gRSxAXJzFfXwF1SkgM7m%2F40LdLwV68uNJQjcu7ZvNRUVRN%2Bs%2BhYIxr5TmUXm1gKNUo76VLpzQ13fM88HMxERAx7fSb7H6kk059lZVSJgXd9jjgfkzI7k09xliWxPSC8VFL%2BkUL%2BOj%2BR5vLuD29KbEvLl3kCTOUzb0kNzXQmfBMDYM5QCmrut13LlD%2Buu7xOXQJTR6KPmR5MyfblzEh7d5p8lumUzKdbcYgTTl0MgYv7jfagOuHSMYiEJmYwuaLCA6BLioKW3wVZYGcw%2F5umYoyE5HGDAxQ1z0rg2yxvy76PYxSnHdsBebQHta1YDieDvYNykR17%2BFB6MCBDc3iSjQrbRlgUQs37gwZ5Rm8exQwUx4bapbvjy69pzV%2B2Hj%2FWJui57AQ3zsW5IwcvN7U6J7OosjfWB0MPYU6hAEqdDgKAhUVdLslpR0P7DNRXetL5HlUwKm%2BTMTxcc7z8WgwspSLYXGirMJ3Z35cexHR44LL1MgpGJ41LJ7SV8eMhBDERwXrTXrWkstJVrumgu4D79VQ5Yj8ICqNHJSlARMwN4TIX2nvMHkDfiEHFsbvW6y%2FJyA8wGnr7v%2FApK3FkeG1DBjH7DMEejd50fCWykMGycQ6Z3qIUvAvOYpZYIEx5IDrB2FGEli3zfMokQ%2BrmWKLitCyN1Ezr05mEtvDQI8BDjSWCZTImpXdoswNPu7V1p1z%2FaPa4UWrDPqXIbdc%2FIgdxjeN%2BDIuiVMFvx8pbK76Bz%2BkFsvyuj1Luzl25fVLmlodKgCo5tc188whFDff27n8woDhxws0dWcljPotzU046tpuFsxb1Ou6RLzKh9BVTrbNOJZa9KE8tDUFw1DVSwDXngT5ZZuXfi9LWH2kEIMcTNnfYa6iEsaGxdO6PO6V207G5S8Eygreg6lb%2F4%2FAlNwqXIXPjrSIcS41DNCSgE%2FHeUNGRK7Udwn8y5OBRHLsNZ22qWNZYeS%2BKc5yd8NCcbqIjdi7SDWvoNZ%2Fl9w4gDL73ZmYDm7e%2FzHI72gi3xEPMDWwWlkz25d8G2%2Fv2UktS8zgFlxYSy%2Budtg%2FHwN1vHACpmnlzdHW4RF%2FbY2hTm1FaXl7BKVCU%2BcWm0M35hcWHmyp00yODdaM2ymdrdyu2BwnN%2FyXQ7UCCDjnYWTdBS8zb2xRL7AFmO3T0ypYjfykl0ZvM%2BbMQ2AfiFQVwOShdb9YxdYDEqsmwHxt3uf0SsuW6iXWLUW4DUd9DUNg34IGEc%3D)