layui中table.render的使用示例
前端实现代码如图(完整代码):
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数据表格 开启头部工具栏
核心js代码如下:
table.render({ elem: '#test-table-toolbar' ,url:"http://localhost:8090/program-web/api/magic_change/oj/problem/page_list?userId=youcongtech" ,toolbar: '#test-table-toolbar-toolbarDemo' ,title: '程序设计题绑定' ,cols: [[ {type: 'checkbox', fixed: 'left'}, {field:'problemId', width:300, title: 'ID', sort: true} ,{field:'title', width:400, title: '题目'} ,{width:215, align:'center', fixed: 'right', toolbar: '#test-table-toolbar-barDemo'} ]] ,page: true });
要求后台返回数据格式必须为:
{ "msg": "success", "code": "0", "data": [ { "title": "for循环输出", "problemId": 1139 }, { "title": "测试2", "problemId": 1138 }, { "title": "测试1", "problemId": 1137 }, { "title": "for循环-Plus", "problemId": 1140 }, { "title": "第一个C++程序", "problemId": 1141 } ] }
不然的话,会出现相关提示(如code对于的值必须为0,而不能为000000,以及data对应数据必须像上面这样的,不然cols里面不好自动对应上。
后台实现代码如下:
控制层代码(路由)
@GetMapping("/page_list") @ApiOperation(value="根据用户ID获取题目分页列表",httpMethod="GET",notes="根据用户ID获取题目分页列表") public JSONObject page_list(@RequestParam String userId, @RequestParam (value="page") String pageno, @RequestParam (value="limit") String pagesize) { System.out.println("userId:"+userId+"|| pageno:"+pageno+"||pagesize:"+pagesize); JSONObject json = new JSONObject(); //当前页 Integer page = Integer.parseInt(pageno.trim()); //每页的数量 Integer size = Integer.parseInt(pagesize.trim()); MapparamMap = new HashMap<>(); paramMap.put("userId", userId); paramMap.put("start", (page - 1) * size); //当前页的数量 paramMap.put("size", size); //当前页 List problemList = problemService.getProblemPageListInfo(paramMap); int count =problemService.getProblemPageTotalCount(paramMap); if(!problemList.isEmpty()) { json.put("msg", "success"); json.put("code", "0"); json.put("data", problemList); json.put("count", count); }else { json.put(CommonEnum.RETURN_MSG, "error"); json.put(CommonEnum.RETURN_CODE, "222222"); } return json; }
Service及其实现类:
Service:
public interface ProblemService extends IService{ List getProblemPageListInfo(Map paramMap); Integer getProblemPageTotalCount(Map paramMap); }
Service实现类:
@Service public class ProblemServiceImpl extends ServiceImplimplements ProblemService { @Autowired private ProblemDao problemDao; @Override public List getProblemPageListInfo(Map paramMap) { return problemDao.getProblemPageListInfo(paramMap); } @Override public Integer getProblemPageTotalCount(Map paramMap) { return problemDao.getProblemPageTotalCount(paramMap); } }
ProblemDao.xml:
problem_id AS problemId, title, description, input, output, sample_input AS sampleInput, sample_output AS sampleOutput, spj, hint, source, in_date AS inDate, time_limit AS timeLimit, memory_limit AS memoryLimit, defunct, accepted, submit, solved
实体类:
public class Problem extends Model{ private static final long serialVersionUID = 1L; @TableId(value = "problem_id", type = IdType.AUTO) private Integer problemId; private String title; private String description; private String input; private String output; @TableField("sample_input") private String sampleInput; @TableField("sample_output") private String sampleOutput; private String spj; private String hint; private String source; @TableField("in_date") private String inDate; @TableField("time_limit") private String timeLimit; @TableField("memory_limit") private String memoryLimit; private String defunct; private Integer accepted; private Integer submit; private Integer solved; @TableField(exist=false) private String pLadderLevel; @TableField(exist=false) private String pLadderType; public Integer getProblemId() { return problemId; } public void setProblemId(Integer problemId) { this.problemId = problemId; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getDescription() { return description; } public void setDescription(String description) { this.description = description; } public String getInput() { return input; } public void setInput(String input) { this.input = input; } public String getOutput() { return output; } public void setOutput(String output) { this.output = output; } public String getSampleInput() { return sampleInput; } public void setSampleInput(String sampleInput) { this.sampleInput = sampleInput; } public String getSampleOutput() { return sampleOutput; } public void setSampleOutput(String sampleOutput) { this.sampleOutput = sampleOutput; } public String getSpj() { return spj; } public void setSpj(String spj) { this.spj = spj; } public String getHint() { return hint; } public void setHint(String hint) { this.hint = hint; } public String getSource() { return source; } public void setSource(String source) { this.source = source; } public String getInDate() { return inDate; } public void setInDate(String inDate) { this.inDate = inDate; } public String getTimeLimit() { return timeLimit; } public void setTimeLimit(String timeLimit) { this.timeLimit = timeLimit; } public String getMemoryLimit() { return memoryLimit; } public void setMemoryLimit(String memoryLimit) { this.memoryLimit = memoryLimit; } public String getDefunct() { return defunct; } public void setDefunct(String defunct) { this.defunct = defunct; } public Integer getAccepted() { return accepted; } public void setAccepted(Integer accepted) { this.accepted = accepted; } public Integer getSubmit() { return submit; } public void setSubmit(Integer submit) { this.submit = submit; } public Integer getSolved() { return solved; } public void setSolved(Integer solved) { this.solved = solved; } public String getpLadderLevel() { return pLadderLevel; } public void setpLadderLevel(String pLadderLevel) { this.pLadderLevel = pLadderLevel; } public String getpLadderType() { return pLadderType; } public void setpLadderType(String pLadderType) { this.pLadderType = pLadderType; } @Override protected Serializable pkVal() { return this.problemId; } @Override public String toString() { return "Problem [problemId=" + problemId + ", title=" + title + ", description=" + description + ", input=" + input + ", output=" + output + ", sampleInput=" + sampleInput + ", sampleOutput=" + sampleOutput + ", spj=" + spj + ", hint=" + hint + ", source=" + source + ", inDate=" + inDate + ", timeLimit=" + timeLimit + ", memoryLimit=" + memoryLimit + ", defunct=" + defunct + ", accepted=" + accepted + ", submit=" + submit + ", solved=" + solved + ", pLadderLevel=" + pLadderLevel + ", pLadderType=" + pLadderType + "]"; } }
效果如下:
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